Chemistry of Life review AP

The smallest unit of matter is

• Cell

• Atom

• Electron

• Proton

The atomic number is equal to

• The number of protons

• The number of neutrons

• The number of electrons

• The number of protons plus neutrons

Forms of an element with different numbers of neutrons

• Atom

• Molecule

• Isotope

The bond between NaCl is an example of what kind of Bond

• Ionic

• Covalent

• Both

• Neither

What kind of Bond involves sharing electrons and example would be methane CH4

• Ionic

• Covalent

• Both

• Neither

What is the strongest of all the bonding types?

• Covalent
• Ionic
• Hydrogen
• Metallic

What makes a molecule polar?

• Equal sharing of valence electrons
• Unequal sharing of valence electrons
• Stealing of electrons
• Temporary charges that come and go

CO₂ is an example of a(n) _____ bond.

• covalent
• adhesive
• ionic
• cohesive

The compounds on the left side of a chemical equation are called the _____.

• Ingredients
• Reactants
• Total
• Products

The compounds on the right side of a chemical equation are called the _____.

• Ingredients
• Reactants
• Total
• Products