C1- Atomic Structure

Question 1

Who discovered the smallest particle?

Answer 1

Democritus

Question 2

What year did Democritus discover the smallest particle?

Answer 2

600BC

Question 3

Who discovered the electron?

Answer 3

JJ Thompson

Question 4

What year did Thompson discover the electron?

Answer 4

1897

Question 5

Who discovered the nucleus?

Answer 5

Rutherford

Question 6

What year did Rutherford discover the nucleus?

Answer 6

1908-1913

Question 7

Who discovered the shells?

Answer 7

Bohr

Question 8

What year did Bohr discover the shells?

Answer 8

1913

Question 9

Who discovered the nuetrons?

Answer 9

James Chadwick

Question 10

When did Chadwick discover the neutrons?

Answer 10

1932

Question 11

What do atoms consist of?

Answer 11

Nucleus

Question 12

What does a nucleus contain?

Answer 12

Protons and nuetrons

Question 13

What is the size of the nucleus compared to the size of the whole atom?

Answer 13

Tiny

Question 14

What is the nucleus surrounded by?

Answer 14

Electrons

Question 15

What are the electrons arranged in energy levels?

Answer 15

Shells

Question 16

What is the relative mass of a proton?

Answer 16

1

Question 17

What is the relative mass of a neutron?

Answer 17

1

Question 18

What is the relative mass of an electron?

Answer 18

Tiny 1/2000

Question 19

What is the relative charge of a proton?

Answer 19

+1

Question 20

What is the relative charge of a nuetron?

Answer 20

0

Question 21

What is the relative charge of a electron?

Answer 21

-1

Question 22

What does the atomic number equal?

Answer 22

Number of protons

Question 23

What does the mass number equal?

Answer 23

Number of protons and number if neutrons

Question 24

What do atoms of the same element have the same number of?

Answer 24

Protons

Question 25

What determines the type of atom?

Answer 25

Proton

Question 26

Atoms of same element

Answer 26

Different mass number

Question 27

Same number of protons

Answer 27

Different number of neutrons