Structure of Atoms

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

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

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

electrons have this type of charge?

• negative
• positive
• neutral

Tags

NGSS.MS-PS2-3

How many protons are in the element, "Sodium?"

• 23
• 11
• 13
• 14

Tags

NGSS.MS-PS1-1

How many electrons are in the element oxygen?

• 7
• 10
• 8
• 9

Tags

NGSS.MS-PS1-1

"C" is the element symbol for which element?

• calcium
• carbon
• chlorine
• cadmium

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6