Molecules and Atoms

The three particles that make up an atom are...

• Proton, nucleus, electron

• Proton, electron cloud, neutron

• Proton, neutron, electron

• Nucleus, electron cloud, molecule

H₂O is a compound molecule.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-1

How many valence electrons ae in the element Carbon?

• 2 electrons

• 6 electrons

• 4 electrons

• None of the above

Tags

NGSS.MS-PS1-1

Name this compound: H₂O

• Water

• Carbon dioxide

• Hydrogen peroxide 

• Sulfuric acid

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NGSS.MS-PS1-1

• Element

• compound molecules

• elemental molecules

• Mixture

Tags

NGSS.MS-PS1-1

All matter is made of 

• energy 

• atoms 

• electrons 

• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Two or more atoms chemically bonded together are called a

• atom

• element

• molecule

• mixture

Tags

NGSS.MS-PS1-1

Which subatomic particles are much smaller than the others and have a negative charge?

• protons

• neutrons

• electrons

How many Protons are in one atom of Lithium?

• 3

• 6

• 7

• 6.941

Tags

NGSS.MS-PS1-1

Which colored particle is the electron?

• blue

• red

• yellow

• red and yellow

Tags

NGSS.MS-PS1-1