GCSEs Atomic Structure A Ionsn

Question 1

What is a group number?

Answer 1

The number of electrons on the outer shell

Question 2

What is a period number?

Answer 2

Number of shells with electrons on them

Question 3

What is atomic number?

Answer 3

(the smaller number) the number of protons in an atom= the number of electrons in an atom

Question 4

What is mass number?

Answer 4

(bigger number) number of neutrons + number of protons

Question 5

What is an isotope?

Answer 5

Atoms with the same atomic number but different mass numbers

Question 6

What is relative atomic mass?

Answer 6

The weighted average mass of the isotopes of that element

Question 7

What is the charge of atoms in group 1

Answer 7

+

Question 8

What is the charge of atoms in group 2?

Answer 8

2+

Question 9

What is the charge of atoms in group 3?

Answer 9

3+

Question 10

What is the charge of atoms in group 5?

Answer 10

-3

Question 11

What is the charge of atoms in group 6?

Answer 11

-2

Question 12

What is the charge of atoms in group 7?

Answer 12

-1

Question 13

Formulae of Hydrogen

Answer 13

H+

Question 14

Formulae of silver

Answer 14

Ag+

Question 15

Formulae of ammonium

Answer 15

NH4+

Question 16

Formulae of iron 11

Answer 16

Fe2+

Question 17

Formulae of copper 11

Answer 17

Cu2+

Question 18

Formulae of lead

Answer 18

Pb2+

Question 19

Zinc

Answer 19

Zn2+

Question 20

Formulae of iron 111

Answer 20

Fe 3+

Question 21

Formulae of hydroxide

Answer 21

OH-

Question 22

Formulae of nitrate

Answer 22

NO3 -

Question 23

Formulae of carbonate

Answer 23

CO3 2-

Question 24

Formulae of sulfate

Answer 24

SO4 2-