Molecule And Atoms

Question 1

Activation energy

Answer 1

Energy to get a reaction started 

Question 2

Amino acid 

Answer 2

 Monomer of protein 

Question 3

Atom 

Answer 3

Basic Unit of a chemical element 

Question 4

Attraction 

Answer 4

Feeling of one thing being drawn toward another 

Question 5

 carbohydrate 

Answer 5

Compound made up of carbon hydrogen and oxygen atoms also a type of nutrient that is a major source of energy for the body 

Question 6

Catalyst 

Answer 6

Substance that speeds up the rate of a chemical reaction 

Question 7

Chemical change

Answer 7

 A change that occurs when one or more substances change into entirely new substances with different properties 

Question 8

Compound 

Answer 8

Substance formed by the chemical combination of two or more elements in definite proportions 

Question 9

 Concentration 

Answer 9

A measurement of how much solute exists with a certain volume of solvent 

Question 10

Conservation of mass 

Answer 10

The principal stating that matter is not created nor destroyed during a chemical reaction 

Question 11

Disaccharide

Answer 11

A double sugar molecule made of two monosaccharides bonded together through dehydration synthesis 

Question 12

Energy

Answer 12

The ability to do work 

Question 13

Enzyme 

Answer 13

A type of protein that speeds up a chemical reaction 

Question 14

Fatty acid

Answer 14

Hydrocarbon chain, often bonded to glycerol in a lipid 

Question 15

Heat

Answer 15

Thermal energy in transfer from one body of matter to another 

Question 16

Molecule

Answer 16

A group of atoms bonded together 

Question 17

Monomer

Answer 17

A simple compound whose molecules can join together to form polymers 

Question 18

Monosaccharide

Answer 18

A single sugar, molecule, such as glucose or fructose, the simplest type of sugar 

Question 19

Nucleotide

Answer 19

Monomer of nucleic acids made up of a five carbon sugar, a phosphate group, and a nitrogenous base

Question 20

pH

Answer 20

Hydrogen ion concentration 

Question 21

Phospholipid 

Answer 21

A molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head, and a non-polar, hydrophobic tail 

Question 22

Physical change

Answer 22

A change of matter from one form to another, without a change in chemical properties 

Question 23

Polymer 

Answer 23

Large compound formed from combinations of many monomers 

Question 24

 Polysaccharide 

Answer 24

Carbohydrates that are made up of more than two monosaccharides 

Question 25

Potential energy

Answer 25

Stored energy

Question 26

Rate of reaction

Answer 26

 Measure of how fast a chemical reaction occurs 

Question 27

Solubility 

Answer 27

The ability to dissolve in another substance

Question 28

 Solute

Answer 28

A substance that is dissolved in a solution 

Question 29

 Solvent

Answer 29

A liquid substance capable of dissolving another substance in a solution 

Question 30

Steroid

Answer 30

Lipid molecule with four fused carbon rings 

Question 31

Temperature

Answer 31

A measure of how hot or cold something is

Question 32

Triglyceride

Answer 32

A lipid made of three fatty acid molecules, and one glycerol molecule 

Question 33

Van der Waals force

Answer 33

A slight attraction that develops between the oppositely charged regions of nearby molecule