wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Unit 2 Vocab: Biochemistry: Sections 2.1 & 2.2

Total questions: 29

Worksheet time: 15mins

Name
Class
Date
1.

Match the definition: The branch of science which studies the chemical processes within living organisms.

a)

Chemistry

b)

Physics

c)

Biochemistry

d)

Anatomy

2.

Match the definition: A substance formed by two or more elements combing (not necessarily a covalent bond) Ex. Water (H20 is made of Hydrogen and Oxygen)

a)

Molecule

b)

Ion

c)

Compound

d)

Covalent Bond

3.

Match the definition: The basic unit of matter, the smallest unit of an element that retains the chemical and physical properties of that element. Made up of subatomic particles like protons, neutrons, and electrons.

a)

Element

b)

Ion

c)

Molecule

d)

Atom

4.

Match the definition: A pure substance that consists entirely of on type of atom (Listed on the periodic table (Ex. Oxygen, Carbon)).

a)

Ion

b)

Isotope

c)

Atom

d)

Element

5.

Match the definition: An electron in one of the outermost shell of an atom that can participate in forming chemical bonds with other atoms. (octet rule)

a)

Ions

b)

Ionic Bonds

c)

Valence Electrons

d)

Covalent Bonds

6.

Match the definition: An atom that has a positive or negative charge due to loss or gain of electrons

a)

Ion

b)

Atoms

c)

Molecule

d)

Isotope

7.

Match the definition: One form of an element, which contains the same number of protons but different numbers of neutrons (Ex. C12, C13, C14)

a)

Valence Electrons

b)

Molecules

c)

Isotope

d)

Hydrogen Bond

8.

Match the definition: A chemical bond formed when one or more electrons are transferred from one atom to another. Atoms are held together by chemical attraction. (Ex. NaCI)

a)

Covalent Bond

b)

Ion

c)

Element

d)

Ionic Bond

9.

Match the definition: Composed of two or more atoms held together by chemical bonds. (Ex. H20, C02, C6H12O6)

a)

Ion

b)

Molecule

c)

Isotope

d)

Element

10.

Match the definition: Type of bond between atoms in which the electrons are shared (Ex. H2O) Strongest type of bond

a)

Hydrogen Bond

b)

Compound

c)

Covalent Bond

d)

Intermolecular Bond

11.

Match the definition: The weak attraction between a hydrogen atom and another atom. Responsible for giving properties of water. Weakest type of bond.

a)

Covalent Bond

b)

Intramolecular Bond

c)

Hydrogen Bond

d)

Intermolecular Bond

12.

Match the definition: Force between toms with one molecule. (Ex. Polar Covalent Bond holding the Oxygen and Hydrogen together in a water molecule)

a)

Hydrogen Bond

b)

Intramolecular Bond

c)

Intermolecular Bond

d)

Capillary Action

13.

Match the definition: Force between different molecules (Ex. A Hydrogen Bond between two water molecules)

a)

Intramolecular Bond

b)

Intermolecular Bond

c)

Hydrogen Bond

d)

Buffer

14.

Match the definition: The attraction between unlike (different) molecules (Ex. Water sticking to other substances like a leaf)

a)

Cohesion

b)

Bonding

c)

Adhesion

d)

Buffer

15.

Match the definition: Compound that prevents sharp, sudden changes in pH

a)

Capillary Action

b)

Buffer

c)

Ion

d)

Compound

16.

Match the definition: The tendency of water to rise in a thin tube due to adhesion and cohesion

a)

Buffer

b)

Hydrogen Bonding

c)

Capillary Action

d)

Cohesion

17.

Match the definition: The attraction between molecules of the same substance (Ex. Water sticking to other water molecules)

a)

Adhesion

b)

Surface Tenstion

c)

Cohesion

d)

Transpiration

18.

Match the definition: Reduction in temperature resulting from the evaporation of a liquid.

a)

pH

b)

Polarity

c)

Solution

d)

Evaporative Cooling

19.

Match the definition: The measure of acidity or alkalinity (basicity) of an aqueous solution scaling from 1 (highly acidic) to 14 (highly alkaline) with a midpoint of 7 (neutral)

a)

pH

b)

Polarity

c)

Specific Heat

d)

Solvent

20.

Match the definition: A molecule that has both a positively and negatively charged end. (Ex. H2O)

a)

Properties

b)

Surface Tenstion

c)

Polarity / Polar

d)

pH

21.

Match the definition: Any measurable aspect or characteristic of an item.

a)

Transpiration

b)

Suspension

c)

Polairty / Polar

d)

Properties

22.

Match the definition: The amount of heat energy required to increase the temperature of water by a certain amount (Ex. Amount of energy it takes to raise 1 mL of water 1 degree C)

a)

Specific Heat

b)

Surface Tenstion

c)

Transpiration

d)

Suspension

23.

Match the definition: The intermolecular attraction at the surface of water which pulls the water molecules inward from the surface. Results in a higher tension between water molecules on the surface. (Ex. Pepper or leaves floating on the surface of water)

a)

Specific Heat

b)

Surface Tension

c)

Solvent

d)

Solute

24.

Match the definition: Loss of water from a plant through its leaves

a)

Cohesion

b)

Transpiration

c)

Versatile Solvent

d)

Solution

25.

Match the definition: Water's ability to dissolve more solutes than any other solvent due to polarity

a)

Versatile Solvent

b)

Cohesion

c)

Transpiration

d)

Adhesion

26.

Match the definition: A mixture of water and non-dissolved material (Ex. Italian Salad Dressing)

a)

Solution

b)

Solute

c)

Suspension

d)

Solvent

27.

Match the definition: Type of mixture in which all components are evenly distributed (Ex. Chocolate Milk)

a)

Solvent

b)

Suspension

c)

Solution

d)

Solute

28.

Match the definition: A dissolving substance in a solution (ex. H2O)

a)

Solute

b)

Solvent

c)

Suspension

d)

Specific Heat

29.

Match the definition: A substance that is dissolved in a solution (Ex. Sugar or Salt)

a)

Solvent

b)

Surface Tension

c)

Specific Heat

d)

Solute