Atomic Structure And Periodic Table

Question 1

What particles are an atom made up of

Answer 1

Protons neutrons and electrons

Question 2

What are electrons on

Answer 2

Shells

Question 3

What is in the nucleus of an atom

Answer 3

Protons and neutrons

Question 4

What’s the mass of an electron

Answer 4

Almost 0

Question 5

What’s the mass of a proton

Answer 5

1

Question 6

What’s the mass of a neutron

Answer 6

1

Question 7

What’s the charge of a proton

Answer 7

+1

Question 8

What’s the charge of an electron

Answer 8

-1

Question 9

What’s the charge of a neutron

Answer 9

0

Question 10

What does the period refer to in the periodic table

Answer 10

The number of electron shells

Question 11

What do groups refer to in the periodic table

Answer 11

The number of outer shell electrons

Question 12

ion definition

Answer 12

An atom that has electrical charge + or -

Question 13

Do metals form positive or negative ions

Answer 13

Positive ions

Question 14

Do non metals form positive or negative ions

Answer 14

Negative

Question 15

How are ions formed

Answer 15

Atoms with incomplete outer shells need to gain or loose electrons to become stable to make a positive or negative ion

Question 16

What are negative ions called

Answer 16

Anions

Question 17

What are positive ions called

Answer 17

Cations

Question 18

If an atoms has less electrons than protons is it positively or negatively charged

Answer 18

Positive charge

Question 19

What are isotopes

Answer 19

Atoms of an element that have the same atomic number but a different mass number due to less neutrons

Question 20

(RAM) definition

Answer 20

Relative atomic mass, the average mass off an elements atoms

Question 21

RAM calculation ?

Answer 21

(Mass number x percentage of that atom) + (Mass number x percentage of that atom)

                                                                  Divided by 100

Question 22

What’s groups 1 s name

Answer 22

The alkaline metals

Question 23

What’s group 0 name

Answer 23

The noble gasses

Question 24

What’s groups 7 s name

Answer 24

The halogens

Question 25

What’s special about group 1 metals and y

Answer 25

The get more reactive as you go down the group very re active: because the further you go down the group the further away the outer shell gets from the nucleus resulting in a bigger reaction

Question 26

Why are the alkaline metals stored in oil

Answer 26

Because they re act with water and air

Question 27

How do alkaline metals re act with water

Answer 27

They float and wiz along the surface leaving at a trail that disolves hydrogen is emitted

Question 28

Who came up with the plum pudding model and explain it

Answer 28

JJ Thompson, he discovered that atom had negative charged particles so there would be positive ones to balance it out ( he never found them) then he made the plum pudding a spherical model with electrons in a positively charged space

Question 29

What did Ernest Rutherford do

Answer 29

He shot alpha positive particles into thin sheets of gold expecting them to all pass through but some particles bounced back so he concluded that the atom must be mostly empty space with small positive particles in its centre surrounded by negative particles

Question 30

What did Neil’s Bohr do

Answer 30

He and other scientists realised that electrons around the positive particles would attract and make the atom collapse he suggested that electrons orbited the nucleus in fixed shells

Question 31

What did James Chadwick do

Answer 31

He provided an experiment that provided evidence for neutrons in the nucleus this resulted in a model of the atom very similar to the one we know today - the nuclear model

Question 32

What’s the electron arrangement order

Answer 32

2,8,8

Question 33

How may elements are their

Answer 33

118