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Questions and Answers
Which of the following is true about elements?
Which of the following is true about elements?
- Elements are composed of multiple types of atoms
- Elements are composed of one type of atom (correct)
- Elements are composed of molecules
- Elements are composed of compounds
Which of the following elements naturally occur as diatomic molecules?
Which of the following elements naturally occur as diatomic molecules?
- Ca
- C
- H (correct)
- He
Which of the following is true about the periodic table?
Which of the following is true about the periodic table?
- It contains 118 known elements (correct)
- It contains 100 known elements
- It contains 88 known elements
- It contains 7 known elements
Which of the following is a nonmetal?
Which of the following is a nonmetal?
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Which of the following elements is a metal?
Which of the following elements is a metal?
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