Atomic Structure

Question 1

What are elements?

Answer 1

A substance which is made up of only one type of atom

Question 2

What are atoms?

Answer 2

Are individual particles - no charge

Question 3

How are atoms shown on the periodic table?

Answer 3

In atomic number order. They are arranged in columns called groups and rows called periods

Question 4

What is the symbol for protons?

Answer 4

P+

Question 5

What is the relative mass of a proton?

Answer 5

1

Question 6

What is the relative charge of a proton?

Answer 6

+1

Question 7

What is the symbol for a neutron?

Answer 7

n

Question 8

What is the relative mass of a neutron?

Answer 8

1

Question 9

What is the relative charge of a neutron?

Answer 9

0

Question 10

What is the symbol for an electron?

Answer 10

e-

Question 11

What is the relative mass of an electron?

Answer 11

Negligible

Question 12

What is the relative charge of an electron?

Answer 12

-1

Question 13

What is the mass number?

Answer 13

The top number. Number of protons and neutrons

Question 14

What is the atomic number?

Answer 14

Number of protons. Bottom number

Question 15

What is an isotope?

Answer 15

Atoms of the same element with different mass number

Question 16

What is the relative atomic mass?

Answer 16

Average mass of an element taking into account the isotopes of the element. RAM has no units