Unit 1.1 Chemistry

What is the most interesting thing about science, in your opinion?

Tags

NGSS.HS-LS3-1

NGSS.HS-LS4-1

What is an atom?

• A particle that defines a chemical element.

• A unit of matter.

• A molecule of two or more compounds.

• A simple compound.

Tags

NGSS.MS-PS1-1

What are three subatomic particles?

• atoms, molecules, and compounds

• electrons, protons, and neurons

• electrons, protons, and neutrons

• atoms, protons, and neutrons

Tags

NGSS.HS-PS1-8

Of the three subatomic particles, electrons are...

• positively charged

• negatively charged

• neutral

• it depends

Electrons go...

• outside the neucleus

• inside the neucleus

• both

• neither

Protons are NOT...

• positively charged

• heavier than electrons

• lighter than electrons

• located in the nucleus

How many electrons are in a shell?

• 2

• 4

• 6

• 8

Atoms with a different number of neutrons are called...

• anions

• cations

• isotopes

• isomeres

Tags

NGSS.HS-PS1-8

Cations are...

• Atoms or molecules with a negative charge

• Atoms or molecules with a positive charge

• Positively charged ions

• Negatively charged ions

• All of the above

Anions are...

• Atoms or molecules with a negative charge

• Atoms or molecules with a positive charge

• Positively charged ions

• Negatively charged ions

• All of the above