8th grade final

What is the chemical symbol for the element hydrogen

• H
• He
• h
• he

What is the chemical symbol for the element Carbon

• ca
• co2
• C
• Cd

What is the chemical symbol for the element Nitrogen

• Ni
• N
• No
• Nb

What element is represented by the Chemical symbol Mg

• Manganese
• Magnesium
• Molybdenum
• Mitrium

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

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

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

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 is the charge of an electron?

• positive
• negative
• neutral

Tags

NGSS.HS-PS2-4