The Chemistry of Life

_{What particle is found in the nucleus and has no charge?}

• electron
• neutron
• proton
• atom

Tags

NGSS.HS-PS1-8

The 4 macromolecules are

• vitamins, lipids, water, micronutrients
• micronutrients, macronutrients, water, vitamins
• Lipids, Waxes, Vitamin A, Water
• Carbohydrates, Lipids, Proteins, Nucleic Acids

Which is not a property of water

• Adhesion

• Cohesion

• Heat capacity

• Solvency

Tags

NGSS.HS-ESS2-5

Any compound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale:

• Acid

• Base

• Solvent

• Solute

_{A negatively charged particle moving around the nucleus of an atom}

• neutron
• proton
• electron 
• ion

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The two main chemical bonds are

• Ionic and covalent bonds

• Hydrogen bonds and van der Waals forces

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

Atoms share pairs of Electrons in what kind of bond

• Covalent

• Ionic

• Electrical

• Cohesive

____, H, O, N make up 96% of living matter.

• F

• Na

• P

• C

Water molecules are

• polar

• nonpolar

• positively charged

• negatively charged