Question

Which of the following may be used to refer to water?

Select all that apply.

A. It is an element made of only one type of atom.
B. Its chemical formula is commonly shown as H2O.
C. Its structure is two oxygen atoms bonded with one carbon atom.
D. Its structure is two hydrogen atoms bonded with one oxygen atom.
E. Its chemical formula is commonly shown as CO2.
F. It is a molecule made of more than one type of atom.
G. It is a compound made of only one type of atom.

Answer 1

Answer:

Explanation:

A: not true, It has two elements making it up. See B.

B: True. If this is true, A is not.

C: There's no carbon atoms in water. Not a choice.

D: True. That's what B says.

E: Not a choice. See C for the reason.

F: True. See B.

Answer: B,D,F