Atomic Structure

Label the parts of an atom on the diagram below.

• 1. 1 - Proton, 2 - Neutron, 3 - Electron

• 1 - Electron, 2 - Proton, 3 - Neutron

• 1 - Neutron, 2 -Electron, 3 - Proton

• 1 - Proton, 2 - Electron, 3 - Neutron

What type of charge does an electron have?

• Positive

• Negative

• Neutral

• No charge

What is the atomic number of the atom in the diagram above?

• 3

• 7

• 6.941

• 6

What is the main purpose of a Bohr model?

• To show the atomic mass

• To show the arrangement of electrons

• To show the chemical properties

• To show the atomic number

What is the element with the atomic number 8?

• Nitrogen

• Oxygen

• Fluorine

• Neon

What is the atomic mass of Lithium?

• 6.941

• 10.81

• 28.086

• 79.904

What is the atomic number of Bromine?

• 5

• 35

• 30

• 8

What is the atomic number of Boron?

• 5

• 8

• 14

• 35

How many neutrons does Lithium have if its atomic mass is 6.941 and atomic number is 3?

• 4

• 3

• 7

• 5

How many protons does Manganese (Mn) have?

• 25

• 53

• 12

• 18