Atomic Structure Test-

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

How many protons does an O₂ atom have?

• 8
• 24
• 16
• When is lunch? 

Tags

NGSS.MS-PS1-1

What is the atomic mass of barium

• 56

• 82

• 137

• 138

Tags

NGSS.MS-PS1-1

This is how you find the number of neutrons in an atom. 

• Subtract the atomic number from the atomic mass
• Subtract the atomic mass from the atomic number 
• Add the atomic mass to the atomic number 
• Divide the atomic mass by the atomic number 

Tags

NGSS.MS-PS1-1

How many protons does indium have?

• 49

• 66

• 114

• 115

Tags

NGSS.MS-PS1-1

How many neutrons does platinum have?

• 78

• 117

• 195

• 196

Tags

NGSS.MS-PS1-1

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

• 1
• 2
• 4
• 3

Tags

NGSS.MS-PS1-1

What is found in the nucleus of atoms?

• Protons and electrons.
• Protons, neutrons, and electrons.
• Protons and neutrons.
• Neutrons and electrons.

Tags

NGSS.MS-PS1-1