Atomic Structure

Subatomic particles with a positive charge

• neutrons

• atomic mass

• protons

• isotopes

Calculation used to find the number of neutrons in an atom

• Mass Number- Atomic Number

• Atomic Number - Mass Number

• Mass Number - Electrons

• protons = electrons = neutrons

Structure B is

• The nucleus

• An electron shell

• An energy level

The term "neutral" means

• having only a little bit of charge

• having a positive charge

• having a negative charge

• having no charge at all

Which part of the diagram represents the proton?

• a

• b

• c

• d

Found orbiting outside the nucleus, this subatomic particle has a negative charge.

• Neutron

• Proton

• Electron

• Idontknowatron

How many neutrons does platinum have?

• 78

• 117

• 195

• 196

Structure D has what charge?

• Neutral

• Positive

• Negative

How many protons does indium have?

• 49

• 66

• 114

• 115

Structure C is a(n)

• Proton

• Neutron

• Electron