Atomic/mass & Compounds/Molecules

What is the atomic number?

• the number of protons

• the number of protons and neutrons

• the number of neutrons

• the number of atoms

Tags

NGSS.MS-PS1-1

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Tags

NGSS.HS-PS1-8

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

The fluorine atom has an atomic number of

• 19

• 9

Tags

NGSS.MS-PS1-1

What is the mass number and atomic number ?

• Mass number = 7, atomic number = 14

• Mass number = 14, atomic number = 7

Tags

NGSS.MS-PS1-1

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

Tags

NGSS.MS-PS1-1

How many neutrons does oxygen have?

• 16
• 15.99
• 8
• Doesn't contain any neutrons

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

These will determine what element an atom is. 

• number of neutrons
• number of electrons
• number of atoms 
• number of protons 

Tags

NGSS.MS-PS1-1