Chemistry of Life

What is the smallest basic unit of mater?

• Element

• Atom

• Compounds

• Ions

What is the atoms that gain or loss one or more electrons?

• Element

• Atom

• Compounds

• Ions

What is one type of atom, that can't be broken down into simpler substances?

• Element

• Atom

• Compounds

• Ions

What are atoms of different elements bonded together in a certain ratio?

• Element

• Atom

• Compounds

• Ions

Tags

NGSS.MS-PS1-1

True or false: Carbon, nitrogen, oxygen, and hydrogen make up 92% of the human body.

• True

• False

True or false: atoms are made up of neutron and electrons.

• True

• False

Tags

NGSS.MS-PS1-1

Identify the bond when atoms form through the electrical force between oppositely charges ions.

• Covalent Bonds

• Ionic Bonds

Tags

NGSS.HS-PS2-4

Identify the bond when atoms forms when atoms share a pair of electrons.

• Covalent Bonds

• Ionic Bonds

Cells are mostly made up of water.

• True

• False

How does water help cells?

• cell structure

• transport materials with the cell

• all important processes happen in water

• All of the above

• None of the above