Small Molecules and the chemistry of life

The smallest unit of matter that still retains the properties of an element.

• molecule

• atom

• quark

• proton

Tags

NGSS.HS-PS1-7

Many of water's unique properties arise from ________ and its ability to form __________ bonds.

• polarity, covalent

• hydrophobicity, ionic

• polarity, hydrogen

• covalency, double

Tags

NGSS.HS-ESS2-5

Cohesion is the attraction of water molecules to other molecules of a different type.

• True

• False

A buffer is made from a ____ acid and its corresponding base.

• basic

• neutral

• strong

• weak

When two covalently bonded atoms do not share electrons equally, this is called a __________ bond.

• nonpolar covalent
• metallic
• polar covalent
• ionic

Which of these elements are NOT one of the most abundant elements of life?

• Nitrogen

• Carbon

• Oxygen

• Fluorine