Biology Final Part 1

_____ are the basic unit of matter

• atoms

• protons

• neutrons

• electrons

_____ positive subatomic particle.

• atoms

• protons

• neutrons

• electrons

_____ neutral subatomic particle.

• atoms

• protons

• neutrons

• electrons

_____ negative subatomic particle.

• atoms

• protons

• neutrons

• electrons

_____ is a substance formed by the chemical combination of two or more elements in definite proportions.

• compounds

• bonds

• ionic bonds

• covalent bonds

Atoms in compounds are held together by various ________.

• compounds

• bonds

• ionic bonds

• covalent bonds

_______ bonds involve electron transfer.

• compounds

• bonds

• ionic bonds

• covalent bonds

_______ bonds involve electron sharing.

• compounds

• bonds

• ionic bonds

• covalent bonds

A compound in which the charges are unevenly distributed is said to be ______.

• polar

• hydrogen bond

• cohesion

• adhesion

The attraction between a hydrogen atom and with a partial positive charge and another atom with a partial negative charge

• polar

• hydrogen bond

• cohesion

• adhesion