The chemistry of life

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

• electron
• neutron
• proton
• atom

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

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

The two main chemical bonds are

• Ionic and covalent bonds

• Hydrogen bonds and van der Waals forces

What particles are found in the nucleus of the atom?

• neutrons and electrons

• protons and neutrons

• protons and electrons

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