ATOMS

The positively charged particle in an atom.

• Proton

• Neutron

• Electron

• Nucleus

Identifies the number of protons in an atoms nucleus.

• Electron Cloud

• Atomic Theory

• Atomic Number

• Mass Number

The negatively charged particles in an atom

• Proton

• Electron

• Neutron

• Electron Cloud

The region in an atom where electrons are likely to be found

• Proton

• Atom

• Electron Cloud

• Neutron

The total number of protons and neutrons in the nucleus of an atom

• Atomic Number

• Mass Number

• Atomic Theory

• Electron Cloud

The particles in the nucleus of an atom that do not have a charge (neutral)

• Proton

• Electron

• Neutron

• Ion

The small, dense, positively charged center of an atom

• Neutron

• Proton

• Nucleus

• Electron

The atomic mass is the

• number of protons and neutrons inside the nucleus

• number or electrons or protons

• number of protons, neutrons and electrons

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN