CB Chemistry in Biology

Front

How many covalent bonds does carbon make?

Back

Carbon makes 4 covalent bonds.

Front

What is the atomic mass of Silicon (Si)?

Back

The atomic mass of Silicon (Si) is 28.

Front

Which element is giving up electrons: Sodium or Oxygen?

Back

Sodium is the element that gives up electrons.

Front

Fill in the blanks: __________ have a positive charge, __________ have NO charge, and __________ have a negative charge.

Back

Protons have a positive charge, Neutrons have NO charge, and Electrons have a negative charge.

Front

What is the atomic mass of Krypton (Kr)?

Back

The atomic mass of Krypton (Kr) is 84.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed by the sharing of electron pairs between atoms.

Front

Define atomic mass.

Back

Atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What charge do protons carry?

Back

Protons carry a positive charge.

Front

What charge do electrons carry?

Back

Electrons carry a negative charge.

Front

What is the charge of neutrons?

Back

Neutrons have no charge (neutral).