Check Point 8.5A Science

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

Where is the proton located?

• In the very dense nucleus
• Floating around in the negative electron cloud
• the loose nucleus
• the positive electron cloud

Protons are equal to:

• Atomic Mass
• Number of neutrons
• Atomic Number
• All of the subatomic particles

How many protons are in Gold

• 79

• 197

• 118

• 276

What is the atomic number of Chlorine

• 18

• 17

• 35

• 35.4527

Where is the neutron located?

• In the loose nucleus with the electron
• In the dense nucleus with the protons
• In the electron cloud
• The nucleus floats on orbitals

What is the charge of the neutron?

• Negative
• Positive
• electrical charge
• Neutral (no charge)

Which subatomic particle identifies the atom on the periodic table?

• Electron

• Neutron

• Nucleus

• Proton

Where does the atom have its most weight/mass?

• In the electron cloud

• In the nucleus with electrons and protons

• In the nucleus with protons and neutrons

• It doesn't have mass

An atom has 5 protons, 6 neutrons, and 5 electrons. What is the charge of the atom's nucleus?

• -5
• +6
• +5
• -6