Atoms of the same element always have the same number of neutrons. ? Which statement is true of all atoms that are anions? If all the statements are true, choose answer E. A) Carbon, hydrogen, oxygen, and nitrogen make up approximately 96% of living matter. Which of the following best defines a mineral and a rock? Electron, proton, hydrogen atom, helium atom. The positive charges of an element … you will see that all of the non-metals are grouped together. Chemical reactions cause atoms to be rearranged. C) The nucleus disintegrates. Which two of the following statements are CORRECT? 1 They are atoms which have the same chemical properties because they have the same number of electrons in their outer shell. This means that the elements that are grouped together have the same chemical properties. The chemical bonds in molecules (compounds of more than one atom) primarily involve. a) neutrons in the outer nuclear shell. Which of the following resources are all considered nonrenewable. When is a rock considered an ore? Which statement must be correct? And since the 'electron patterns' repeat after every 18th element, there are 18 groups. C) Virtually all organisms require the same elements in the same quantities. Which of these statement would John Dalton have agreed with? Atoms of the same element, zinc for example, have the same number of _____. C The reactivity of the elements in both Group I and Group VII increases down the group. Is this statement correct? 4 Which statements about isotopes of the same element are correct? 5.) answer choices . A substance made up of the same kind of atoms is called a (n). ... atoms of different elements present in one molecule of the compound. when it contains at least one useful (usually metallic) mineral in sufficient amounts to be extracted profitably. The reaction is exothermic. c. Approximately the same number of metallic and nonmetallic elements exist. Which of the following correctly lists the particles, in order, from least massive to most massive? In a compound such as water, the ratio of the ... compound is always made up of the same elements combined together in the same fixed proportion by mass. The nucleus contains most of the mass of the atom. Which statement about the periodic table is correct? Most minerals have a higher specific gravity than water. The elements that are grouped together tend to behave in the same manner. answer choices . Answered Jul 09, 2018. The strong tendency of certain minerals to break along smooth, parallel planes is known as ________. Check the best answer. Electron, proton, hydrogen atom, helium atom. All silicate minerals contain which two elements? Atoms of the same element may have different numbers of protons. The number of protons in an atom of the element. Each element in an element family shares the same A. number of valence electrons B. atomic number 15. Which of the following minerals is a silicate? B. a stable atom C. a group of stable atoms. The nucleus of an atom contains protons and electrons. If the atomic mass of Z is 21.5amu, what is the relative abundance of each atomic mass of each isotope in nature. C. The elements with atomic numbers 20, 21 and 22 are in the same … a) four sodium atoms. Which statement about W, X, Y and Z is correct? The number and arrangement of electrons in an atom governs its chemical activity. 13. An element may be composed of several types of atoms. On the contrary, atoms of different elements have different mass and properties. Statement 2: The atoms of each element have a characteristic number of protons in the nucleus. The external expression of a mineral's orderly internal arrangement of atoms is referred to as: mechanical breakage along planes of weakness within the mineral. 17. Which of the following is the hardest mineral? Elements (and compounds) are "pure substances." electrons and protons. Select the correct statement about isotopes. 3.) Atoms cannot be created or destroyed. Which of the following statements about atoms is correct? This is the reason why the elements in the table of elements are color-coded. (c) The number of electrons in an atom equals the number of neutrons in the atom. The resistance of a mineral to abrasion is known as ________. Neutrons have no charge. The elements with atomic numbers 8, 16 and 34 have the same number of main energy levels. A W and X are isotopes of the same element. b) protons in the nucleus. An element is a material that is made up of atoms of only one kind. The identity of an element can be determined on the basis of? What is the atomic number and the mass number of an atom of an element with 11 protons and 12 neutrons, The same number of protons, but different numbers of neutrons, Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons. Atoms cannot be broken down into smaller pieces. answer choices. The vast majority of elements are metals. The second postulate of Dalton's atomic theory states that the atoms of the same element are all equal to each other in mass, size and in the rest of the physical or chemical properties. X and Y have different chemical properties. Electrically neutral atoms have equal numbers of electrons and protons. b. An element consists of atoms that are all the same kind. D) The charge of any element's ion can be simply predicted using the periodic table. The most common mineral group in the Earth's crust is the. The nucleus is made of protons and neutrons and has positive a charge. If false, correct the statement to make it true: (a) The nucleus has most of the mass and comprises most of the volume of an atom. Properties of elements in the same group. It could not be D since at least one element, the most common isotope of hydrogen, has no neutrons. Determine whether each of the following statements is true or false. In the field, you find an unidentified mineral that is clear, exhibits conchoidal fracture, and can scratch glass. The central region of an atom is called the ________. A radioactive isotope: A compound is a stable chemical substance composed of two or more ________. Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas? ... X and Y are isotopes of elements in the same group of the Periodic Table. D. One mole of methane, CH4, contains the same number of atoms as one mole of carbon dioxide, CO2. Isotopes have the same number of protons but a different number of neutrons. Use the choices below to fill in the blanks. A) All the isotopes of an element are radioactive. If gypsum has a hardness of 2, what statement must be true about it? No. Find GCSE resources for every subject. C) Elements in the same group often form ions of the same charge. c. The atom has fewer protons than does a neutral atom of the same element. (C) An element C Y and Z are isotopes of elements in the same period of the Periodic Table. What changes when an ion is formed from an atom? B) The trace element iodine is required only in very small quantities by vertebrates. 20 seconds. This mineral is most likely: While studying some sedimentary rocks in your field area, you find a mineral with rhombohedral cleavage that reacts with hydrochloric acid. Which of the following is a native mineral? Most elements on the left side of the periodic table are A. nonmetals B. metals 14. B. Element Z has two naturally occurring isotopes: Z-20 and Z-22. These are the different atoms of the same element which have same number of electrons (or atomic number) but different number of neutrons. Elements from the same group often have similar physical and chemical properties. Elements in an element family have similar A. atomic weights B The Group VII element astatine, At 2, is expected to be a black solid at room temperature. b. Problem : The table below describes four atoms. Tags: Question 5. This makes them. Check all that apply. c) electrons in the … A compound consists of two or more kinds of atoms in a fixed ratio. Explanation: Dalton brought forward the theory and descriptions about an atom. 4.) The molar mass of a diatomic element is its atomic weight times two. A. Identify the correct statements. The principal mineral used in making glass is: All of the following criteria define a mineral except: Which of the following substances is a mineral? Two atoms of the same chemical element are typically not identical. The elements in Group 2A are called the 27. What are the components of the nucleus of an atom? Which of the following are true statements regarding isotopes? For now, it is enough to know that the electrons in the atoms of an element determine the chemical properties of that element. d. The atom has more neutrons than protons. The three main groups of elements are metals, nonmetals, and A. alkali metals B. semiconductors 13. The theory by him states certain points about atoms – All matter is made of very tiny particles called atoms. Can you see that all the atoms are of the same kind? a. Usually the least helpful property in identifying a mineral is its : In the list below, indicate which of the items are minerals. Check all that apply. B) Protons are lost or gained. Electrons are contained in the nucleus of an atom. D. an atom or group of atoms with a net positive charge. (B) Three different compounds having the same percent composition and the same molar mass will also have the same empirical formula. The four correct options are: 2.) Yes correct. Atoms are indivisible particles, which cannot be created or destroyed in a chemical reaction. B X and Y are isotopes of elements in the same group of the Periodic Table. Check all that apply. The chemical formula for iron(II) nitrate is A. Fe2(NO3)3 B. Ir(NO2)2 C. Fe N3 D. Fe(NO3)2 E. Fe(NO2)2 25. An atom is … Chemistry General, Organic, and Biological Chemistry Which of the following statements about metallic and nonmetallic elements is correct? Which atoms represent the same element?A) A and B represent the same elementB) A and C represent the same elementC) A and D represent the same elementD) B and C represent the same elementE) C and D represent the same element Which of the following has the highest specific gravity? A) Neutrons are lost or gained. If you list the most abundant elements in Earth's crust, how many elements do you need to make up 98% (by mass) of Earth's crust? What physical property denotes the color of a powdered mineral? a. The reaction is endothermic. 1) atoms atoms of the same element always have different numbers of neutrons2) atoms of the same element can have different numbers of neutrons3) atoms of the same element can have neutrons but exist without protons4) atoms of the same element always have different atomic weights It could not be C because a molecule consists of two or more atoms, often of different elements, and sometimes of the same element. X and Y have atoms with different numbers of electron shells. SURVEY. A All noble gases are unreactive due to having eight electrons in their outer shells. Which of the following is correct for isotopes of the same element? B. Statement II: All atoms of the same element have the same number of protons. The vast majority of elements are nonmetals. The elements with atomic numbers 8, 9 and 10 have similar chemical properties. Statement I: All atoms of the same element are identical. B) Isotopes of the same element have the same atomic number but differ in their mass numbers. 8 The relative atomic mass of chlorine is 35.5. D Z has a higher proton number than Y. 4 Which statements about isotopes of the same element are correct? b) four oxygen atoms. The nucleus occupies very little space in the atom. NEW! A mineral's crystal shape: is the shape the mineral grows into as it forms. E) All of these statements are correct. 2 They are atoms which have the same number of electrons and neutrons but different numbers of protons. Select two answers and click on the Check button. The atoms have different numbers of neutrons and the same number of protons. ... What do the nuclei of 1 H hydrogen atoms contain? The elements in Group 8A are called the 26. If the number 43 represents its mass number, determine the correct numbers for its subatomic particles. If the atomic mass of oxygen is 15.99994, which of the three isotopes, if any, is most abundant? 1 They are atoms which have the same chemical properties because they have the same number of electrons in their outer shell. X and Y have atoms with the same number of outer shell electrons. (A) The percent composition (by mass) is the same for each element in that compounds empirical and molecular formulas. The number of atoms in one mole of platinum is the same as the number of atoms in one mole of uranium. All atoms of the same chemical element, for example carbon, have the same number of ________. Two atoms of the same element can be different if their electrons are in different states. Atoms of the same element always have the same number of neutrons. Minerals are _________ inorganic _________ that usually possess a crystalline structure and can be represented by a chemical formula. electrons and neutrons. C. One mole of sodium chloride, NaCl, contains the same number of ions as one mole of calcium sulfate, CaSO4. Select the correct statement below. Have a nice day! The atom has more electrons than protons. Ans: D. 67. You determine that this mineral is: Which one of the following is NOT true for minerals? The building blocks of matter are called. Correct Answer: (c) The two oxygen atoms are the isotopes. A. Correct answers: 2 question: Me with this quicklywhich statement is completely accurate? 11. Therefore, an atom of an element is also a pure substance. Atoms of a given element are identical in mass and chemical properties. According to Dalton, every matter is made up of atoms. 25 Which statement about the properties of some elements is correct? All atoms of an element are identical. The true statement is (A).Elements of the same group all have the same number of electrons in the outermost occupied electron shell. Which of the following describes the light reflecting and transmission characteristics of a mineral? E. neutral 24. First of all, there is a range of possible states that the electrons of an atom can occupy. Use the drop-down menus to select the correct answers to complete the paragraph. Which of the following correctly lists the particles, in order, from least massive to most massive? The diagram on the left represents an element. c) six oxygen atoms. 2 They are atoms which have the same number of electrons and neutrons but different numbers of protons. The atom has more protons than electrons. elements lose particles. The atoms have different numbers of neutrons and the same number of protons. If Z is the symbol for an element, which pair among the following represents isotopes of the same element? X and Y have atoms with the same nucleon number. Which of the following statement is Not consistent with the results obtained in Rutherford's gold foil experiment? A Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1. In a mineral the constituent atoms are bonded in a regular, repetitive, internal structure; a rock is a lithified or consolidated aggregate of different mineral grains. d) six sodium ions. Check all that apply. The relative abundance of each isotope of an element determines its: Three isotopes of oxygen occur in nature: oxygen-15, oxygen-16, and oxygen-17. 1. Question 12. (b) Every atom of a given element has the same number of protons.