C2 - Elements, Compounds and Mixtures

Question 1

What are the three states of matter?

Answer 1

1) solids
2) liquids
3) gases

Question 2

What does the group correspond to?

Answer 2

The number of electrons the element has in its outer shell

Question 3

What are the rows in the periodic table called?

Answer 3

Periods

Question 4

What does each new period in the periodic table represent?

Answer 4

Another full outer shell of electrons

Question 5

What are ions?

Answer 5

Charged particles

Question 6

Why do atoms lose or gain electrons?

Answer 6

To get a full outer shell

Question 7

What ions do metals form?

Answer 7

Positive

Question 8

What ions do non-metals form?

Answer 8

Negative

Question 9

Why do elements get more reactive as you go down groups 1 and 2?

Answer 9

You add electron shells, so they outer electrons get further away from the nucleus and it gets easier to remove them to form ions

Question 10

Why do elements get less reactive as you go down groups 6 and 7?

Answer 10

You add electron shells, so they outer electrons get further away from the nucleus and it gets harder for the nucleus to attract extra electrons to form ions

Question 11

What bond do metals and non-metals form?

Answer 11

Ionic