Biological Foundations Exam 1

Protons carry a

• Positive Charge

• Negative Charge

• Neutral Charge

Answer explanation

Pro=Positive!!

Electrons carry a

• Positive charge

• Negative charge

• Neutral charge

Answer explanation

Electrons are always negative

Tags

NGSS.HS-PS2-5

Neutrons carry a

• Positive charge

• Negative charge

• Neutral charge

Answer explanation

NEUtron= NEUtral

The first electron shell can hold

Every electron shell after the first can hold

Atomic number

• Number of electrons in an atom

• Number of protons + neutrons in an atom

• Number of neutrons in an atom

• Number of protons in an atom

Tags

NGSS.HS-PS1-7

Atomic Mass number

• # of protons + neutrons

• #of protons + electrons

• # of neutrons + electrons

• # of neutrons

The four major elements that make up the body are

Something that contains 2 or more atoms of the SAME element

• Compound

• atoms

• Molecule

Tags

NGSS.MS-PS1-1

Something that contains 2 or more atoms of DIFFERENT elements

• Molecule

• Atoms

• Hydrogen

• Compound

Tags

NGSS.MS-PS1-1