atoms

Question 1

where are the electrons in an atom

Answer 1

goingg around the nucleus

Question 2

what’s a protons relative charge

Answer 2

+1

Question 3

what’s a electrons relative charge

Answer 3

-1

Question 4

what’s a neutrons relative charge

Answer 4

no charge

Question 5

what is an element

Answer 5

substance made from one type of atom

Question 6

where are the metals on the periodic table

Answer 6

the left

Question 7

where are the non mental a on the periodic table

Answer 7

the right

Question 8

what are the letters on the periodic table

Answer 8

the elements chemical symbol

Question 9

where are the transitional metals

Answer 9

the centre

Question 10

if there are 10 electrons in an atom- how many protons?

Answer 10

10

always the same about of protons and electrons

balanced- no overall electrical charge

Question 11

what is a compound

Answer 11

different types of atoms joined together.

chemical bonds hold them together

Question 12

what does the nucleus contain

Answer 12

protons and neutrons

Question 13

what is the mass number of an atom

Answer 13

the total number of protons and neutrons it contains

Question 14

what is the atomic number of an atom

Answer 14

the number of protons it contains

Question 15

what is bigger, the atomic number or the mass number

Answer 15

the mass number

Question 16

how do you work out the number of neutrons in an atom

Answer 16

mass number - atomic number

Question 17

what are shells

Answer 17

the rings of energy that the electrons create around the nucleus

Question 18

how many electrons can the first shell have

Answer 18

2

Question 19

how many electrons can every she’ll have (apart from first)

Answer 19

8

Question 20

things to remember when doing an electronic structure diagram

Answer 20

1. nucleus is a black spot
2. energy levels are circles around the nucleus
3. each electron is shows as a dot or a cross

Question 21

how to use the periodic table to help with an elements electronic structure

Answer 21

1. find out what period it is in (number of shells)

2. find out what group it is in (number electrons in outer shell)

Question 22

what are all substances made up of

Answer 22

atoms

Question 23

how many different elements are there

Answer 23

about 100

Question 24

what is the point of groups in periodic table

Answer 24

the groups contain elements with similar properties

Question 25

what are all substances made up of

Answer 25

atoms

Question 26

how many different elements are there

Answer 26

about 100

Question 27

what is the point of groups in periodic table

Answer 27

the groups contain elements with similar properties

Question 28

what is the overall charge of an atom

Answer 28

no charge

same amount of neutrons and electrons

Question 29

do all atoms of the same element have the same number of protons

Answer 29

yes

atoms from different elements have different number of protons