Which statements accurately describe elements? Check all that apply. Elements are made up of two or more types of atoms. Elements are made up of only one type of atom. Each element has a unique chemical symbol. Elements can be identified by their atomic number. One element cannot be combined with another element.
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An element is a pure substance that consists of only one type of atom. This means that all atoms in an element have the same number of protons. Show more…
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Select all the statements that correctly describe elements. Check all that apply. Elements cannot be broken down into simpler substances through chemical changes. Elements can be converted into compounds through physical changes. Nitrogen and helium are examples of elements. Elements are pure substances. Water (H2O) is an example of an element.
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Which of the following statements is not true about elements? (1 Point) Elements are listed in the periodic table and are represented by a chemical symbol. Elements combine chemically to form compounds. Elements are classified as covalent, ionic, and metallic.
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Which statements about atoms are false? (a) Atoms have the same number of protons and electrons. (b) Atoms have the same number of protons and neutrons. (c) Most of the mass of an atom comes from the nucleus. (d) Protons, electrons and neutrons are distributed evenly within an atom.
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