Matter and Periodic Table

All matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The central region of an atom where its neutrons and protons are is

• nucleus 
• electron cloud
• core 
• center 

An atom with atomic number 6 would have how many protons? 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

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

• negatrons 
• electrons 
• neutrons 
• protons 

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

How many neutrons are in the atom "K"? Atomic number: 19. Mass: 39 

• 7
• 19
• 39
• 20

Tags

NGSS.MS-PS1-1

What particle uniquely identifies an element?

• Number of Valence Electrons
• Number of Protons
• Number of Electrons
• Atomic Mass

The first energy level can hold up to how many electrons?

• 8
• 4
• 2
• 5

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons