Atomic Math & Chemical Bonds

What is the mass number of an element that has 8 protons and 8 neutrons?

• 8
• 0
• 16
• 64

In an electrically neutral atom, the number of electrons is equal to the...

• atomic number
• mass number
• average atomic mass
• most common isotope

What is the atomic # of an element that has 4 protons, 6 electrons, and 5 neutrons?

• 4
• 5
• 6
• 9

What is the whole number in the top left corner called?

• Atomic Number

• Atomic Mass

• Element Number

• Element Mass

Which TWO particles make up the MASS of an element?

• Protons

• Neutrons

• Electrons

Which atomic particle has NEGATIVE charge?

• Electron

• Neutron

• Proton

What charge does a PROTON have?

• Positive

• Negative

• Neutral

The following element key shows how many protons?

• 16
• 15.999
• Oxygen
• 8

Tags

NGSS.MS-PS1-1

Protons are equal to:

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

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

Tags

NGSS.HS-PS1-8