CHEMISTRY TRUE / FALSE

The particle formed by the loss or gain of electrons by an atom is called an ion.

A proton is electrically neutral.

The tiny central core of an atom consisting of protons and neutrons is called the nucleus.

The smallest particle of an element that exhibits the properties of that element is called an atom.

The symbol of cobalt is C.

Metalloids have intermediate properties between those of metals and non-metals.

Metals are not ductile.

A pure substance is composed of the same kind of particle throughout.