chemistry review

Question 1

The nucleus of an atom is made up of

Answer 1

protons and neutrons.

Question 2

are particles that move rapidly around the nucleus (in orbitals).

Answer 2

Electrons

Question 3

When chemical bonds are broken _______ is released.

Answer 3

energy

Question 4

is a substance that dissociates into ions when it is in solution.

Answer 4

electrolyte

Question 5

store energy.

Answer 5

Chemical bonds

Question 6

is our important energy molecule!!!

Answer 6

ATP

Question 7

negative charge

Answer 7

electrons

Question 8

positive charge

Answer 8

protons

Question 9

charged particle

Answer 9

ion

Question 10

atom with electrical charge

Answer 10

ion

Question 11

water loving

Answer 11

hydrophillic

Question 12

water fearing

Answer 12

hydrophobic

Question 13

dissolves

Answer 13

solvent

Question 14

substance trying to dissolve

Answer 14

solute

Question 15

concentration

Answer 15

tonic

Question 16

water enters cell and can burst

Answer 16

hypotonic solution

Question 17

shrink and die

Answer 17

hypertonic solution

Question 18

happy cells

Answer 18

isotonic solution

Question 19

for every number on the PH level, the next number goes up by

Answer 19

10

Question 20

have to be shaped perfect or wont function

Answer 20

proteins

Question 21

when protein wont function

Answer 21

denatured

Question 22

head

Answer 22

hydrophilic

Question 23

tail

Answer 23

hydrophobic

Question 24

sodium ion has a ______ charge

Answer 24

positive

Question 25

chloride has a _____ charge

Answer 25

negative

Question 26

two atoms share a pair of electrons

Answer 26

covalent bond

Question 27

atoms of opposite charges are attracted to one another

Answer 27

ionic bonds

Question 28

the bond involves the attraction of a hydrogen end of a molecule with another molecule

Answer 28

hydrogen bond