chemistry

Question 1

basic measure of weight

Answer 1

gram

Question 2

basic measure of volume

Answer 2

liter

Question 3

basic measure of distance

Answer 3

meter

Question 4

boiling point of pure water at sea level

Answer 4

212 f

Question 5

freezing point of pure water at sea level

Answer 5

32 f

Question 6

freezing water c

Answer 6

0

Question 7

boiling water c

Answer 7

100

Question 8

normal body temp c

Answer 8

37

Question 9

normal body temp f

Answer 9

98.6

Question 10

freezing point of water k

Answer 10

273

Question 11

boiling point of water k

Answer 11

373

Question 12

top number in the square periodic table

Answer 12

atomic number= number of protons, therefore number of neutrons

Question 13

properties of each element can be predicted based on its

Answer 13

location in the periodic chart

Question 14

a cut along the median plane

Answer 14

sagittal section

Question 15

a cut along the coronal plane

Answer 15

frontal section

Question 16

a cut through the transverse plane

Answer 16

cross section

Question 17

closer to point of attachment

Answer 17

proximal

Question 18

farther away from the point of attachment

Answer 18

distal

Question 19

cut through the mid line

Answer 19

transverse

Question 20

cut person in half

Answer 20

sagittal

Question 21

cut person w a front and back

Answer 21

frontal plane

Question 22

4 fundamental tissues

Answer 22

epithelial
connective
muscle
nerve

Question 23

dna is duplicated and distributed evenly to two daughter cells; outcome is 46

Answer 23

mitosis

Question 24

takes place in gonads, ovaries and testes; chromosome number is reduced from 46 to 23

Answer 24

meiosis

Question 25

largest organ of the body

Answer 25

skin

Question 26

in a chemical reaction, no energy is lost but neither is mass destroyed

Answer 26

law of the conservation of mass

Question 27

cannot be created, destroyed, or transformed through physical changes

Answer 27

atoms

Question 28

electrons can only orbit the nucleus in certain energy stages, or orbits, that are a set distance from the nucleus

Answer 28

bohr's theory

Question 29

has a particular shape and holds a particular number of electrons

Answer 29

orbitals

Question 30

holds 2 electrons

Answer 30

s orbital

Question 31

holds 6 electrons

Answer 31

p orbital

Question 32

holds 10 electrons

Answer 32

d orbital

Question 33

holds 14 electrons

Answer 33

f orbitals

Question 34

the closer an atom is to reaching a full valence shell

Answer 34

the more reactive it is

Question 35

some elements are not reactive at all because they possess full valence shell

Answer 35

noble gases

Question 36

total mass of the element; atomic mass - atomic number = number of neutrons

Answer 36

atomic mass

Question 37

atoms of the same element with different numbers of neutrons

Answer 37

isotopes

Question 38

elements in group 1 and 2 are WHAT? reactive?

Answer 38

alkali and alkali earth metals; very reactive

Question 39

group 17? reactive?

Answer 39

halogens; very reactive

Question 40

when an element loses an electron

Answer 40

it becomes positive

Question 41

are all gases and contain 7 electrons in their valence shell

Answer 41

halogens

Question 42

when 2 atoms are formed together by a chemical bond

Answer 42

molecule

Question 43

attractive or repulsive forces that occur between molecules

Answer 43

intermolecular forces

Question 44

the small charge on the atoms in a polar molecule interact with the charge on other polar molecules

Answer 44

dipole dipole interaction

Question 45

strongest bond of the intermolecular forces

Answer 45

hydrogen bonds

Question 46

sum of small force interactions between molecules that are a result of forces that are not covalent, ionic, or hydrogen bonding in nature

Answer 46

van der waals forces

Question 47

arises from temporary dipoles created by the normal movement of electrons

Answer 47

london dispersion

Question 48

substances with strong hydrogen bonds

Answer 48

have higher boiling points

Question 49

have indefinite shape but a definite volume

Answer 49

liquid

Question 50

both indefinite shape and volume

Answer 50

gas

Question 51

liquid to gas; occurs at boiling point

Answer 51

uses energy; evaporation

Question 52

gas to liquid; occurs at boiling point

Answer 52

condensation; releases energy

Question 53

solid to liquid; occurs at freezing point

Answer 53

melting; uses energy

Question 54

energy required for a solid to become a liquid

Answer 54

latent heat of fusion

Question 55

acids produce

Answer 55

hydrogen ions (H+)

Question 56

bases produce

Answer 56

hydroxide ions (OH-)

Question 57

when a solution contains the maximum amount of solute possible

Answer 57

saturated solution

Question 58

a solution with less solute

Answer 58

unsaturated

Question 59

a solution with more solute than can normally be dissolved in that solvent

Answer 59

supersaturated

Question 60

reaction, a fuel will react with oxygen to form carbon dioxide and water

Answer 60

combustion

Question 61

a single reactant will decompose into two products

Answer 61

decomposition

Question 62

two or more reactants will form a single product

Answer 62

synthesis

Question 63

a chemical reaction cannot occur until two molecules which may react collide with one another

Answer 63

collision theory

Question 64

study of energy in a system and its relationship to chemical reactions

Answer 64

thermodynamics

Question 65

energy can neither be created nor destroyed

Answer 65

conservation of energy