Unit 1- Atomic Structure and Periodic Table

Question 1

Charge of Proton

Answer 1

Positive 1

Question 2

Charge of Electron

Answer 2

Negative 1

Question 3

Charge of Neutron

Answer 3

No Charge

Neutral

Question 4

Mass of Proton

Answer 4

1

Question 5

Mass of Neutron

Answer 5

1

Question 6

Mass of electron

Answer 6

Very small (1/1800)

Question 7

Define Element

Answer 7

Substance made up of only one type of atom

Question 8

Define Compound

Answer 8

Substance made up of two or more bonded atoms

Question 9

Define Mixture

Answer 9

Two or more elements or compounds not chemically bonded

Can be separated

Question 10

Plum pudding model of an atom

Answer 10

Positively charged ball with negatively charged electrons in it

Question 11

Maximum electrons in first 3 energy shells

Answer 11

1st- 2 electrons
2nd- 8 electrons
3rd- 8 electrons

Question 12

Where are protons in an atom?

Answer 12

In the neucelus

Question 13

Where are neutrons in an atom?

Answer 13

In the neucelus

Question 14

What did James Chadwick discover?

Answer 14

Neutrons

Question 15

Where are electrons in the atom?

Answer 15

In energy shells/levels

surrounding the nucelsus

Question 16

Mass number

Answer 16

sum of protons and neutrons together

Question 17

Atomic number

Answer 17

Number of protons in an atom

Number of electrons in an atom

Question 18

Isotope

Answer 18

Same elements with different number of neutrons (mass number)

Question 19

How is the periodic table ordered?

Answer 19

In atomic number order

Question 20

Relationship between valence (outer) electrons and group number

Answer 20

The group number is the same as the electrons in the outer shell

Question 21

Row in the periodic table

Answer 21

Periods

Question 22

Columns in the periodic table

Answer 22

Groups

Question 23

Metal ions are….

Answer 23

positively charged

Question 24

Non-metal ions are…

Answer 24

negatively charged

Question 25

Position of non-metals on periodic table

Answer 25

Top right

Question 26

Position of metals on periodic table

Answer 26

Middle and left

Question 27

Position of transition metals

Answer 27

In the middle

Question 28

Properties of Group 0 Noble gases

Answer 28

Unreactive

Low melting and boiling point

Question 29

Why are group 0 noble gases unreactive?

Answer 29

They have full outer shells

Question 30

Name of group 1 metals

Answer 30

Alkali metals

Question 31

Reactivity of group 1 meals down the group

Answer 31

Increases down the group

Question 32

How do group 1 metals form ions?

Answer 32

Loses electron

Positive one change

Question 33

How do group 7 halogens form ions?

Answer 33

Gains electron

Negative one charge

Question 34

Name of group 7 elements

Answer 34

Halogens

Question 35

Reactivity of group 7 down the group…

Answer 35

decreases

Question 36

Down group 7 the melting point…

Answer 36

increases