Biochemistry Review

Which of the following are subatomic particles?

• Neutrons

• Molecules

• Protons

• Electrons

Protons have a __________________ charge and are found in the ________________________ of an atom.

• positive, nucleus
• negative, nucleus

• positive, electron cloud

• negative, electron cloud

Neutrons have ________ charge and are found in the ____________________ of an atom.

• no, electron cloud

• some, electron cloud

• some, nucleus

• no, nucleus

Tags

NGSS.HS-PS1-8

Electrons have a _____________ charge and are found in the _________________ of an atom.

• positive, electron cloud

• negative, electron cloud

• positive, nucleus

• negative, nucleus

An atom is the smallest unit that makes up everything.

• True

• False

Tags

NGSS.MS-PS1-1

Atoms and molecules are alive.

• True

• False

Define molecule.

• A molecule is made up of two or more atoms.

• A molecule is made up of two or more different atoms.

Tags

NGSS.MS-PS1-1

Define compound.

• A compound is made up of two or more atoms.

• A compound is made up of two or more different atoms.

Which of the following is true regarding ionic bonds?

• Electrons are shared among atoms.

• Electrons are transferred between atoms.

• Protons are shared among atoms.

• Protons are transferred between atoms.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is true regarding covalent bonds.

• Electrons are shared between atoms.

• Electrons are transferred between atoms.

• Protons are shared between atoms.

• Electrons are transferred between atoms.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2