finals

Question 1

alkali metals

Answer 1

lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), francium (Fr)
group 1 period 2-7

Question 2

alkaline earth metals

Answer 2

beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), radium (Ra)
group 2, period 2-7

Question 3

transition metals

Answer 3

iron (Fe), nickel (Ni), copper (Cu), zinc (Zn), silver (Ag), gold (Au)
group 3-12

Question 4

noble gases

Answer 4

helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), oganesson (Og)
group 18 period 1-7

Question 5

nonmetals

Answer 5

carbon (C), nitrogen (N), oxygen (O),phosphorus (P), sulfur (S),selenium (se)
group 14-16

Question 6

iron (Fe)

Answer 6

8,4

Question 7

nickel (Ni)

Answer 7

10,4

Question 8

copper (Cu)

Answer 8

11,4

Question 9

zinc (Zn)

Answer 9

12,,4

Question 10

silver (Ag)

Answer 10

11,5

Question 11

gold (Au)

Answer 11

11,6

Question 12

period

Answer 12

horizontal rows, 7

Question 13

old periodic table arrangement

Answer 13

atomic mass

Question 14

new periodic table arrangement

Answer 14

atomic number

Question 15

generator

Answer 15

device that uses electromagnetic induction to convert mechanical energy to electrical energy

Question 16

heterogeneous substance

Answer 16

substance where components are easily distinguished

Question 17

si for temperature

Answer 17

kalvin/K

Question 18

electromagnetic waves

Answer 18

waves created by vibrating electric charges

Question 19

the majority of the periodic table

Answer 19

metals

Question 20

homogenous substance

Answer 20

substance containing 2 or more components that are blended uniformly so that individual components arent visible without a microscope

Question 21

balanced forces

Answer 21

describes the force of objects that have force of 0

Question 22

potential energy

Answer 22

stored energy

Question 23

colloid

Answer 23

heterogenous mixture, particles don’t settle

Question 24

newtons 3rd law of motion

Answer 24

when one object exerts a force on a second object, the second object exerts a force on the first object that is equal in strength but in the opposite direction

Question 25

newtons second law of motion

Answer 25

the acceleration of an object is in the same direction as the net force on the object and that the acceleration = the net force / by its mass

Question 26

newtons first law of motion

Answer 26

an object moving at a constant velocity keeps moving at that velocity unless an unbalanced force acts on it

Question 27

groups

Answer 27

columns, 18

Question 28

kinetic energy

Answer 28

energy of motion

Question 29

chemical change

Answer 29

change of one substance into a new substance

Question 30

physical change

Answer 30

any change size, shape, or state of matter in which the identity of the substance remains the same

Question 31

compound example

Answer 31

table salt

Question 32

father of the periodic table

Answer 32

Mendeleev

Question 33

metals form

Answer 33

cations

Question 34

element

Answer 34

substance with atoms that are all alike

Question 35

periodic table trend

Answer 35

atomic number increases as you go across the table

Question 36

atomic number

Answer 36

number of protons in an atoms nucleus

Question 37

chemical property

Answer 37

any characteristics of a substance that that can observed and can create a new substance

Question 38

as frequency increases , wavelength _____

Answer 38

decreases

Question 39

when you shake a rope upside down

Answer 39

transverse wave

Question 40

when a transverse wave travels through a medium which way does the matter in the medium move

Answer 40

at right angles to the direction that the wave travels

Question 41

not a medium

Answer 41

vacuum

Question 42

waves not only move up and down but also

Answer 42

forwards and backwards

Question 43

a sound wave is an example of

Answer 43

longitudinal wave

Question 44

which waves have the highest frequency

Answer 44

gamma rays

Question 45

what do waves transfer

Answer 45

energy

Question 46

when a longitudinal wave travels through a medium, which way does the matter that makes up the medium move

Answer 46

in the same direction the wave travels

Question 47

what is the wavelength of a wave traveling through a rope if the distance from one crest to the next is 1m

Answer 47

1m