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-

Question 25

What is an iso tope?

Answer 25

Elements always have the same number of protons they may have different amounts of neutrons

Question 26

What is relative atomic mass?

Answer 26

(Isotopic mass x relative abundance) + (isotopic mass x relative abundance) /100

Question 27

What actually is relative atomic mass?

Answer 27

The mass of an electron taking into account the different isotopes present

Question 28

Relative mass of an electron?

Answer 28

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