Biology: Chemistry of Life

An attraction between molecules of different substances

• Cohesion

• Heat capacity

• Adhesion

• Suspension

The substance in which a solute dissolves

• Solvent

• Solute

• Suspension

• Mixture

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

• Cohesion

• Hydrogen bond

• Covalent bond

• Ionic bond

The attraction between molecules of the same substances

• Adhesion

• Cohesion

• Mixture

• Polarity

A solution has a PH of 4, it is

(a)  

True or False

Waters heat capacity is relatively High.

• True

• False

An enzyme speeds up a reaction by

• Lowering the activation energy

• Raising the activation energy

• Releasing energy

• Absorbing energy

Tags

NGSS.HS-PS1-5

A compound that produces hydrogen ions (H+) in a solution is a

• Salt

• Acid

• Base

• Polymer

The positively charged particle in an atom is called the

• Neutron

• Ion

• Proton

• Electron

Two or more different atoms are combined in definite proportions in any

• Symbol

• Element

• Isotope

• Compound

Tags

NGSS.MS-PS1-1