Atomic Structure

Question 1

Isotopes

Answer 1

Atoms of the same element (same atomic number) but different mass numbers (number of neutrons).
Must have the same number of protons but different number of neutrons.
They have effect on the physical atom, but not chemically.

Question 2

Ions

Answer 2

An atom or molecule with a + or - charge due to the loss or gain of one or more electrons. An atom’s ions charge depends on how many electrons need to be changed to reach stability.

Question 3

Structure of metal

Answer 3

Metallic bonds are formed between mobile electrons and positively charged metallic ions. There is a giant lattice structure.