The Periodic Table

Question 1

Features of mandeleevs periodic table..

Answer 1

• left gaps
• separated elements in groups and periods
• separated metals&anonymity metals
• arranged metals in increasing atomic mass

Question 2

Ways in which mandeleevs periodic table is different..

Answer 2

• No gaps
• Nobel gases
• elements in increasing atomic number

Question 3

Name of group 1?

Answer 3

Alkali metals

Question 4

Name of group 2?

Answer 4

Alkali earth metals

Question 5

Name of group 7?

Answer 5

Halogens

Question 6

Name of group 8/0

Answer 6

Noble gases

Question 7

What happens as you go down group 1?

Answer 7

Atoms get more reactive

Question 8

What happens going down group 7?

Answer 8

Elements get less reactive

Question 9

Metal+ water ->

Answer 9

Metal hydroxide

Question 10

Metal+acid->

Answer 10

Salt+hydrogen

Question 11

Metal+water->

Answer 11

Metal oxide

Question 12

Metal + halogen->

Answer 12

Metal halide

Question 13

What happens when sodium is placed in water?

Answer 13

• gas given off
• moves across
• melts into ball
• disappears

Question 14

Nitric acid?

Answer 14

HNO3

Question 15

Hydrochloric acid?

Answer 15

HCl

Question 16

Sulphuric acid?

Answer 16

H2SO4

Question 17

What is the half equation formation of a sodium ion?

Answer 17

Na-> Na+ e-

Question 18

Some diatomic elements?

Answer 18

Nitrogen, oxygen, bromine

Question 19

Chlorine gas properties?

Answer 19

Pale green gas
Toxic
Denser than air

Question 20

Balanced symbol equation -

Chlorine+sodium bromide ->

Answer 20

Sodium chloride + bromine

Question 21

Where Are metals found on the periodic table?

Answer 21

Left hand side

Question 22

What’s the most common use for noble gases?

Answer 22

Neon lights

Question 23

Newlands arranged elements in..

Answer 23

Increasing atomic mass