2: Chemistry

Question 1

Energy

Answer 1

Capacity to do work

Question 2

Kinetic energy

Answer 2

Energy in action

Question 3

Potential energy

Answer 3

Inactive energy building up

Question 4

CHON

Answer 4

4 elements the body is primarily made up of

Question 5

Proton

Answer 5

Positive part in an atom, make up most of weight

Question 6

Neutron

Answer 6

Zero charge, usually equal to protons

Question 7

Electron

Answer 7

Smallest part, negative charge

Question 8

Molecule

Answer 8

Made up of two or more atoms (ex. O2)

Question 9

Compound

Answer 9

2 or more different kinds of molecules (ex. H2O)

Question 10

Molarity

Answer 10

of moles of solute per liter

Question 11

Colloid Mixture

Answer 11

Heterogenous, dispersed (like jello)

Question 12

Suspension Mixture

Answer 12

Mixture that settles after time (like blood)

Question 13

Solvent

Answer 13

Part of a mixture in greater amount

Question 14

Solute

Answer 14

Part of a mixture in smaller amount

Question 15

Chemical Bonds

Answer 15

Energy relationships between electrons to form bonds between molecules

Question 16

Valence Shell

Answer 16

Outermost electron shell

Question 17

Octet Rule

Answer 17

All atoms want to have a full (8) valence shell

Question 18

Ionic Bonds

Answer 18

Atoms lose or gain electrons and change charge

Question 19

Covalent Bonds

Answer 19

Bonds between atoms where electrons in valence shell are shared

Question 20

Hydrogen Bond

Answer 20

Bonds that contain a hydrogen atom, easy to break except in high quantities