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finals Flashcards

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1
Q

alkali metals

A

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

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2
Q

alkaline earth metals

A

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

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3
Q

transition metals

A

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

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4
Q

noble gases

A

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

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5
Q

nonmetals

A

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

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6
Q

iron (Fe)

A

8,4

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7
Q

nickel (Ni)

A

10,4

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8
Q

copper (Cu)

A

11,4

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9
Q

zinc (Zn)

A

12,,4

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10
Q

silver (Ag)

A

11,5

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11
Q

gold (Au)

A

11,6

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12
Q

period

A

horizontal rows, 7

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13
Q

old periodic table arrangement

A

atomic mass

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14
Q

new periodic table arrangement

A

atomic number

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15
Q

generator

A

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

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16
Q

heterogeneous substance

A

substance where components are easily distinguished

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17
Q

si for temperature

A

kalvin/K

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18
Q

electromagnetic waves

A

waves created by vibrating electric charges

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19
Q

the majority of the periodic table

A

metals

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20
Q

homogenous substance

A

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

21
Q

balanced forces

A

describes the force of objects that have force of 0

22
Q

potential energy

A

stored energy

23
Q

colloid

A

heterogenous mixture, particles don’t settle

24
Q

newtons 3rd law of motion

A

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

25
Q

newtons second law of motion

A

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

26
Q

newtons first law of motion

A

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

27
Q

groups

A

columns, 18

28
Q

kinetic energy

A

energy of motion

29
Q

chemical change

A

change of one substance into a new substance

30
Q

physical change

A

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

31
Q

compound example

A

table salt

32
Q

father of the periodic table

A

Mendeleev

33
Q

metals form

A

cations

34
Q

element

A

substance with atoms that are all alike

35
Q

periodic table trend

A

atomic number increases as you go across the table

36
Q

atomic number

A

number of protons in an atoms nucleus

37
Q

chemical property

A

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

38
Q

as frequency increases , wavelength _____

A

decreases

39
Q

when you shake a rope upside down

A

transverse wave

40
Q

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

A

at right angles to the direction that the wave travels

41
Q

not a medium

A

vacuum

42
Q

waves not only move up and down but also

A

forwards and backwards

43
Q

a sound wave is an example of

A

longitudinal wave

44
Q

which waves have the highest frequency

A

gamma rays

45
Q

what do waves transfer

A

energy

46
Q

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

A

in the same direction the wave travels

47
Q

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

A

1m

48
Q
A

physical science (1 decks)

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