Chemical Symbols

Question 1

What is the relative charge and relative mass of an proton

Answer 1

Relative charge=+1

Relative mass=1

Question 2

What so the relative charge and relative mass of an neutron

Answer 2

A neutron has no charge and the relative mass is 1

Question 3

What is the relative charge and relative mass of an electron?

Answer 3

An electron has an relative charge of -1 and relative mass of 1/1836

Question 4

What is the atomic number?

Answer 4

Is the number of protons in the nucleus and is usually the smaller number
For example helium atom in number is 2 because is the smaller number

Question 5

What is the atomic mass?

Answer 5

Is the total number of protons and neutrons and is usually the bigger number.

Question 6

How do you work out the number of neutrons?

Answer 6

Is atomic number- atomic number

Question 7

How do you work out number of electrons?

Answer 7

In a neutral atom the total number of electrons is always the same as the number of protons in the nucleus.

Question 8

What are the max no of electrons allowed in the 1st shell , 2nd shell , 3rd shell, 4th shell?

Answer 8

1st shell=2
2nd shell=8
3rd shell=8
4th shell=18

Question 9

What does the outer shell show?

Answer 9

The group number