C1

Question 1

What is an ion

Answer 1

An atom with the same number of protons and a different number of electrons

Question 2

What does each shell maximum electron configuration

Answer 2

2,8,8

Question 3

Define the term element

Answer 3

One type of ato

Question 4

Describe properties of a oxygen

Answer 4

-low melting point
-doesnt conduct electricity

Question 6

Why atoms form ions?

Answer 6

To gain a full outer shell of electrons

Question 6

What is an electrons relative charge?

Answer 6

-1

Question 7

What do opposite charges do?

Answer 7

Attract

Question 7

How do ions form?

Answer 7

By transferring electrons

Question 8

Who suggested the plum pudding model?

Answer 8

JJ Thompson

Question 9

What is an isotope

Answer 9

Same number of electrons and protons but different numbers of neutrons

Question 10

What does RAM stand for

Answer 10

Relative atomic mass

Question 11

How could you separate salt and water?

Answer 11

Evaporation

Question 12

What is an mixture?

Answer 12

Two or more elements or compounds not chemically combined

Question 13

What are group 1 elements

Answer 13

Alkali metals

Question 14

What are group 7 elements

Answer 14

Halogens

Question 15

What are group 0 elements

Answer 15

Noble gases

Question 16

What is sodiums (group 1) reaction with water?

Answer 16

Sodium hydroxide + hydrogen

Question 17

What is the trend in reactivity down in group 1?

Answer 17

increases

Question 18

How do halogen react?

Answer 18

More reactive halogens will displace the less reactive halogens

Question 19

Why are group 0 very stable?

Answer 19

They have a full outer shell

Question 19

What is it when atom does not react

Answer 19

intert