The Atom: Subatomic

Question 1

Ernest Rutherford’s atomic model

Answer 1

A positive nucleus with small negative material

Question 2

What did James Chadwick discover?

Answer 2

The existence of the neutron

Question 3

Mass number

Answer 3

The number of protons and neutrons (the overall weight of the atom)

Question 4

Atomic number

Answer 4

The number of protons

Question 5

Istopes

Answer 5

Atoms with unequal numbers of protons and neutrons

Question 6

Where is the mass number located?

Answer 6

On the top-left of the symbol

Question 7

Where is the atomic number located?

Answer 7

On the bottom-left of the symbol

Question 8

Does an istope have more protons or neutrons?

Answer 8

Neutron

Question 9

Relative atomic mass

Answer 9

The average atomic number of all the atoms of an element

Question 10

Electron shell

Answer 10

The shell which the electrons orbit on

Question 11

Bohr model

Answer 11

The current atom model

Question 12

Electron configuration

Answer 12

The arragement of electrons

Question 13

Formula for the maxium number of electrons a shell can hold

Answer 13

2n^2 when ‘n’ is the number of the shell from the nucleus

Question 14

Valence shell

Answer 14

The outermost electron shell

Question 15

Emission spectrum

Answer 15

A unique spectrum that is released from an element

Question 16

Spectroscope

Answer 16

An instrument that breaks the light up into its colours

Question 17

What causes the emission of a spectrum?

Answer 17

The energy in a flame causes the electrons to jump upwards but jumps back almost immediately