Atoms and the Periodic Table

All matter is made of...

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

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

• 8
• 4
• 2
• 5

Tags

NGSS.MS-PS1-1

What charge does a proton have?

• positive

• negative

• neutral

What charge does a neutron have?

• positive

• negative

• neutral

What charge does an electron have?

• positive

• negative

• neutral

What two particles are in the nucleus of an atom?

• protons and electrons

• electrons and neutrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

How many protons does an atom of Sodium (Na) have?

• 12

• 11

• 23

Tags

NGSS.MS-PS1-1

The atomic number is the number of ____ in the nucleus. It's the element's "identification"!

• electrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1

What particle(s) make up the atomic mass?

• electrons

• neutrons

• protons

• protons and neutrons

How many valence electrons are represented here?

• 7
• 5
• 2
• 8