Chapter 4 Periodic Table b

Question 1

Name is a non metal used to sterilize water

Answer 1

Chlorine

Question 2

Which element group react with water to produce alkaline solution

Answer 2

Group one elements

Question 3

Alkali metals belong to group what and name an element found in alkali metals

Answer 3

In group 1

Sodium

Question 4

Name some properties of transition metals

Answer 4

Higher densities
Higher valences
Higher boiling point
Higher melting point

Question 5

State the trend for group one element in reactivity

Answer 5

Reactivity increase down the group

Question 6

Name an element that can form a diatomic molecule

Answer 6

Fluorine

Question 7

Name a group and element which gains two electrone to be stable

Answer 7

Group 6

Oxygen

Question 8

Name group and element alkali earth metals found

Answer 8

Group 2

Magnesium

Question 9

Hydrogen has 1 mass number 0 neutron number

What’s it’s proton number

Answer 9

Proton number is one

Question 10

What’s the product when sodium reacts vigorously with water

Answer 10

Hydrogen gas

Sodium hydroxide

Question 11

In which group are diatomic element found

Answer 11

Group 7

Question 12

Oxygen,sulphur and selenium are in group 7 of the periodic table

Room temperature oxygen is a gas and sulphur is a solid predict whether selenium is a solid gas or liquid at room temperature

Answer 12

It’s a solid at room temperature

Question 13

Name group and element were halogens are found

Answer 13

Group 7

Chlorine

Question 14

Deuterium has 1 proton and 1 neutron what is nucleon number

Answer 14

2

Question 15

What is sterilization

Answer 15

Purifying of liquid

Question 16

Group 6 and 7 suggest a most reactive metal in group 6

Answer 16

Oxygen

Question 17

Name group and example of noble gases

Answer 17

Neon

In group 8

Question 18

Tritium has 3 nucleon and one proton what’s the neutron number

Answer 18

2

Question 19

Which element react with water to give an alkaline solution

Answer 19

Sodium

Question 20

Which group increase down up the group in boiling point and reactivity

Answer 20

Group 6:7

Question 21

Name one transition metal

Answer 21

Iron

Question 22

What are group one element called

Answer 22

Alkali metals