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Physics > Benchmark 4 > Flashcards

Benchmark 4 Flashcards

0
Q

The most penetrating type of radiation

A

Gamma

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1
Q

Negatively charged particles emitted from a nucleus at high speen

A

Beta

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2
Q

The amount of time it takes for half of a radioactive isotope to break apart

A

Half life

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3
Q

The process by which nuclei having low masses are united to form nuclei with larger masses

A

Alpha

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4
Q

Atoms of the same element with a different number of neutrons

A

Isotope

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5
Q

Stopped by a piece of paper, a helium nucleus that is the weakest form of radiation

A

Alpha

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6
Q

The splitting apart of a nucleus of a larger atom into two smaller atoms

A

Fission

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7
Q

Group 18 inert do not form compounds

A

Noble gases

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8
Q

The most reactive group of metals

A

Alkali metals

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9
Q

Elements that form slats by combining with metals

A

Halogens

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10
Q

Includes oxygen and sulfur

A

Chalcogens

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11
Q

React to form bases found in minerals

A

Transition metals

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12
Q

Found on the stair step line part metal part nonmetal

A

Metalloids

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13
Q

What does the chemical symbol represent for an element

A

Name

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14
Q

This shows the number of element in a compound and how

A

Chemical formula

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15
Q

What do dot diagrams represent

A

Valence elements

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16
Q

What kind of chemical bond I’d formed when an equal exchange or transfer of electrons occurs

A

Ionic

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17
Q

Hold atoms together in a compound

A

Chemical bond

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18
Q

A group of covalently bonded atoms that acts together as one charges atom

A

Poly atomic ion

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19
Q

This is an abbreviation used for elements in chemistry

A

Chemical symbol

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20
Q

A chemical bond that occurs when atoms share electrons

A

Covalent

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21
Q

What is an insoluble compound that forms during a chemical reactions

A

Precipitate

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22
Q

Numbers that precede chemical formulas used to balance equations

A

Coefficients

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23
Q

H2o (l)

A

Liquid

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24
Q

Represent oxidation numbers or charges of ions

A

Superscripts

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25
Q

Dissolved in water (aq)

A

Aqueous

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26
Q

O2 (g)

A

Gas

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27
Q

The number of each type of atom in the compound is shown by these numbers

A

Subscripts

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28
Q

Na (s)

A

Solid

29
Q

When two elements or compounds combine to make one large compound

A

Synthesis

30
Q

When one element replaces another element in a compound

A

Single displacement

31
Q

When a compound splits apart into smaller compounds or elements

A

Decomposition

32
Q

When a carbon compound reacts with oxygen to form heat carbon dioxide and water

A

Combustion

33
Q

When an element gains electrons

A

Reduction

34
Q

When an element loses electrons

A

Oxidation

35
Q

When two slats react break apart and recombine to make two new compounds

A

Double displacement

36
Q

When a strong acid reacts with. A strong base to produce water and salt

A

Acid base neutralization

37
Q

Sodium chloride

A

NaCl

38
Q

Mg(NO3)2

A

Magnesium nitrate

39
Q

The sum of the oxidation numbers in a neutral compound

A

Zero

40
Q

The mass of the products must equal the mass of the reactants

A

Law of conservation of mass

41
Q

The particles of matter the make up protons and neutrons

A

Quarks

42
Q

Copper (2) sulfate

A

CuSO4

43
Q

Br2 i2 n2 cl2 h2 o2 f2

A

Diatomic molecules

44
Q

The only metal that is a liquid at room temperature

A

Mercury

45
Q

A+b= ab

A

Synthesis

46
Q

A + bc = ac + b

A

Single displacement

47
Q

Abc = bc + a

A

Decomposition

48
Q

Ab + cd = ad + cb

A

Double displacement

49
Q

A _____ chemical equation has the same number of atoms of each element on each side of the equation

A

Balanced

50
Q

Each substance on the left side of the arrow in a chemical equation is a

A

Reactant

51
Q

The energy required to break the original bonds is less than the energy release when new bonds for in an

A

Exergonic

52
Q

If heat must be added to a chemical reaction for the reaction to take place the reaction is

A

Endothermic

53
Q

What type of reaction is shown in the following chemical equation
NH3+HCL=NH4CL

A

Synthesis

54
Q

Which of the could represent a decomposition reaction

A

Compound = element. And element

55
Q

In a chemical equation the symbol that means dissolved in water is

A

(Aq)

56
Q

When one elect replaces another elect in a compound the reaction is a ___ reaction

A

Single displacement

57
Q

A substance that speeds up a chemical reaction without being per mantle changed itself is a

A

Catalyst

58
Q

The breaking down of a substance into two or more simpler substances is

A

Decomposition

59
Q

Each substance to the right of the arrow in a chemical equation is a

A

Product

60
Q

Substances that prevent or slow down chemical reactions is called

A

Inhibitors

61
Q

A chemical reaction in which heat is released is

A

Ectothermic

62
Q

Numbers that precede Sybil’s in a chemical equation are

A

Coefiicients

63
Q

According to. The law of c mass how does the mass of the products in a chemical reaction compare to the mass of the reactants

A

Masses are equal

64
Q

What is an insoluble compound that forms during a chemical reaction

A

Precipitate

65
Q

A chemical reaction in which two or more substances combine to form another substance is called a

A

Synthesis reaction

66
Q

The burning of wood in a campfire that produces heat and light would be both __ and an ___ reaction

A

Exergonic. Exothermic

67
Q

When most chemicals reactions take place some ___ in the reactants must be broken a process that requires energy

A

Chemical bonds

68
Q

Copper (2)sulfate plus iodide yields copper (2) iodide plus sodium sulfate is represented by which balanced equation

A

CuSO4. 2 NaI = Na2SO4. CuI2

69
Q

Jackals do

A

Laid deck

70
Q

Skis did

A

Kind side

Physics (8 decks)

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