Sub-atomic particles and drawing atoms Flashcards Preview

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Flashcards in Sub-atomic particles and drawing atoms Deck (17):
1

What is the mass of an electron

1/1836

2

What is the mass of a neutron

1

3

What is the mass of a proton

1

4

What is the charge of an electron

- (negative)

5

What is the charge of a neutron

Neutral

6

What is the charge of a proton

+ (positive)

7

(Fill in the blank) Atoms are the............form an element can exist as

Simplest

8

What are atoms made up of

Electrons, neutrons, protons

9

Lithium is Li 7/3 (7 over 3)

Lithium is Li 7/3 (7 over 3)

10

Which number symbolises how many protons there are in this atom

The 3 (the smaller number)

11

Which number symbolises how many electrons there are in this atom

The 3 (the smaller number)

12

How can you work out how many neutrons there are in this atom

7-3 (big number take away small number)

13

What is the name for the bigger number

Atomic mass number

14

What is the name for the smaller number

Atomic number

15

What does the atomic mass number show us

Protons + neutrons

16

What does the atomic number show us

how many protons and electrons are in the atom.

17

What is the same about protons and electrons

Proton number = electron number