Atoms, Elements, Compounds and Chemical Equations

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

• negatrons 
• electrons 
• neutrons 
• protons 

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The smallest particle of any particular type of matter is known by which of the following terms?

• Compound
• Atom
• Chemical
• Element

Tags

NGSS.MS-PS1-1

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

Tags

NGSS.MS-PS1-1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

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

• Proton
• Neutron
• Electron
• Quark

Tags

NGSS.MS-PS1-1

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

• 8
• 4
• 2
• 5

Tags

NGSS.MS-PS1-1

What is the atomic symbol for sodium?

• Na
• So
• NaCl
• S

How many neutron are in the atom "K"?

• 7
• 2
• 39
• 20

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