39-41 - Atoms and Ionic Bonding

Question 1

What does the mass number tell you?

Answer 1

Amount of protons and neutrons

Question 2

What does the atomic number tell you?

Answer 2

Amount of protons

Question 3

What is a compound?

Answer 3

Chemical combination of two or more elements

Question 4

What is an isotope?

Answer 4

An element with extra neutrons

Same atomic number, different mass

Question 5

What is ionic bonding?

Answer 5

When atoms lose or gain electrons and form charged particles

Question 6

What is the charge of an ion which has lost an electron?

Answer 6

Positive

Question 7

When are elements the most reactive?

Answer 7

When they have an almost full or empty outer shell

Question 8

Describe the structure of an ionic compound

Answer 8

Giant lattice

Strong electrostatic forces of attraction

Question 9

What properties do all ionic compounds share?

Answer 9

High MP and BP

Carry electrical current when melted

Dissolve in water

Question 10

What is the overall charge of a compound?

Answer 10

0

Question 11

Compounds formed from only non-metals consist of particles called?

Answer 11

Molecules

Question 12

Compounds formed from the reaction of metals and non-metals consist of particles called?

Answer 12

Ions