Chemistry

Indicate whether the following statements are true or false.
(a) A compound is made up of just one kind of atom. ……………
(b) Metals reflect light and are good conductors of electricity. ……………
(c) Metals can be polished. ……………
(d) Elements are made up of compounds. ……………
(e) All elements are artificially prepared. ……………
(f) Molecules can exist independently. ……………
(g) Molecules combine to form atoms. ……………
(h) Noble gases are highly reactive. ……………
(i) Ozone is a triatomic molecule. ……………

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(a) False
Correct Statement — A compound is made of two or more different kinds of atoms.

(b) True

(d) False
Correct Statement — Compounds are made up of elements.

(e) False
Correct Statement — Most elements occur naturally, only a few are synthetic.

(f) True

(g) False
Correct Statement — Atoms combine to form molecules.

(h) False
Correct Statement — Noble gases are inert, i.e., non-reactive under normal conditions.

(i) True

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