Chemistry Pre-Test

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

• Neutrons = Mass Number + Atomic Number
• Neutrons = Mass Number - Atomic Number
• Neutrons = Atomic Number + Electrons
• Neutrons = Atomic Number - Electrons

Tags

NGSS.MS-PS1-1

• Mass Number = Atomic Number + Neutrons
• Mass Number = Atomic Number - Neutrons
• Mass Number = Atomic Number + Electrons
• Mass Number = Atomic Number - Electrons 

Tags

NGSS.MS-PS1-1

• Electrons that are inside the nucleus
• Electrons on the outermost energy level 
• Electrons that are closest to the nucleus
• Electrons that have a positive charge

Tags

NGSS.MS-PS1-1

• Number of protons
• Number of neutrons
• Number of electrons
• Mass Number

Tags

NGSS.MS-PS1-1

• The number of protons
• The number of neutrons
• The Mass Number
• The number of valence electrons

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Tags

NGSS.MS-PS1-1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1