Question

Which of the following statements is true?

Protons have negative charges.
A piece of gold is made only of gold atoms.
All molecules are compounds.
Compounds have the same properties as the elements they are made from

Answer 1

Below.

Step-by-step explanation:

True:

A piece of gold is made only of gold atoms.

Untrue:

Protons have negative charges ( they are positive).

All molecules are compounds . (Oxygen gas O2 is a molecule but not a compound as the 2 atoms are the same).

Compounds have the same properties as the elements they are made from.