C1.2: Atomic Structure

Question 1

When did John Dalton produce his model of the atomic model?

Answer 1

1803

Question 2

When did JJ Thomson produce his model of the atomic model?

Answer 2

1897

Question 3

When did Ernest Rutherford produce his model of the atomic model?

Answer 3

1911

Question 4

When did Niels Bohr produce his model of the atomic model?

Answer 4

1913

Question 5

What model did John Dalton produce?

Answer 5

Solid sphere model

Question 6

What model did JJ Thomson produce?

Answer 6

Plum Pudding Model

Question 7

What model did Ernest Rutherford produce?

Answer 7

Alpha Scattering Experiment - Nuclear Model

Question 8

What model did Niels Bohr produce?

Answer 8

Planetary Model - Electronic orbit

Question 9

What was the solid sphere model?

Answer 9

Proposed all atoms were made of tiny indivisible particles called atom
Every element was made up of the same atoms, different from other elements

Question 10

What was the plum pudding model?

Answer 10

Proposed atoms weren’t indivisble
Positively charged matter with electrons embedded inside it

Question 11

What was the nuclear model?

Answer 11

Most of the atom is an empty space
Most mass is in the nucleus
Nucleus is positive charged

Question 12

What was the planetary model?

Answer 12

Electrons move in orbits around nucleus in electron shells

Question 13

What is the base 10 for tera?

Answer 13

10^12

Question 14

What is the base 10 for giga?

Answer 14

10^9

Question 15

What is the base 10 for mega?

Answer 15

10^6

Question 16

What is the base 10 for kilo?

Answer 16

10^3

Question 17

What is the base 10 for milli?

Answer 17

10^-3

Question 18

What is the base 10 for micro?

Answer 18

10^-6

Question 19

What is the base 10 for nano?

Answer 19

10^-9

Question 20

What is the base 10 for pico?

Answer 20

10^-12

Question 21

What is the base 10 for femto?

Answer 21

10^-15

Question 22

What is the size of an atom in metres?

Answer 22

1 x 10^-10 metres

Question 23

What is the size of the nucleus of an atom in metres?

Answer 23

1 x 10^-15 metres

Question 24

What are the subatomic particles of an atom?

Answer 24

Neutron
Proton
Electron

Question 25

What is the relative mass of the electron?

Answer 25

0.0005

Question 26

What is the relative mass of the proton?

Answer 26

1

Question 27

What is the relative mass of the neutron?

Answer 27

1

Question 28

What is the charge of the electron?

Answer 28

-1

Question 29

What is the charge of the proton?

Answer 29

+1

Question 30

What is the charge of the neutron?

Answer 30

Neutral

Question 31

What is the charge of the nucleus?

Answer 31

Positive

Question 32

What does the group number of an atom tell you?

Answer 32

The number of electrons in the outer shell

Question 33

What does the period number of an atom tell you?

Answer 33

The number of electron shells of an element

Question 34

What does the atomic number of an atom tell you?

Answer 34

Number of protons and electrons

Question 35

What does the mass number of an atom tell you?

Answer 35

Protons + neutrons

Question 36

How do we know which number is the mass number?

Answer 36

The bigger one is always the mass number

Question 37

What is an ion?

Answer 37

An atom with a charge, either by gaining or losing electrons

Question 38

When do protons get transferred?

Answer 38

Never. Only electrons transfer

Question 39

What are isotopes?

Answer 39

Same number of protons but with a different number of neutrons