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Questions and Answers
What is the term for a simple substance that cannot be broken down into smaller parts, determined by atomic number?
What is the term for a simple substance that cannot be broken down into smaller parts, determined by atomic number?
- Element (correct)
- Matter
- Isotope
- Metal
Which characteristic distinguishes metals from nonmetals?
Which characteristic distinguishes metals from nonmetals?
- Brittle nature
- Dull appearance
- Conductivity of electricity (correct)
- Reactivity with acids
What does the atomic number of an element represent?
What does the atomic number of an element represent?
- Number of protons (correct)
- Valence electrons
- Mass of the atom
- Number of neutrons
Which term refers to an atom with a positive or negative charge due to an unequal number of protons and electrons?
Which term refers to an atom with a positive or negative charge due to an unequal number of protons and electrons?
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What distinguishes a compound from a substance?
What distinguishes a compound from a substance?
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What is the main characteristic of a metalloid?
What is the main characteristic of a metalloid?
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