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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

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

• 8
• 4
• 2
• 5

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

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

• 2
• 1
• 3
• 6

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

Tags

NGSS.MS-PS1-1

Most of the mass in an atom is concentrated in the...

• electrons
• nucleus
• protons
• empty space

Tags

NGSS.HS-PS1-8

What does the nucleus consist of?

• Protons + Electrons
• Neutrons + Electrons
• Atoms
• Protons + Neutrons

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1