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Pre-Ap Physical Science > Benchmark 4 > Flashcards

Benchmark 4 Flashcards

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0
Q

What is the most penetrating type of radiation?

A

Gamma

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1
Q

What is a negatively charged particle emitted from a nucleus at high speed?

A

Beta

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2
Q

What is 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

Fusion

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4
Q

What are atoms of the same element with a different number of neutrons?

A

Isotopes

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5
Q

What is a helium nucleus that is the weakest form of radiation?

A

Alpha

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6
Q

What is the splitting apart of a nucleus of a large atom into two smaller atoms?

A

Fission

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7
Q

What do you call the atoms in Group 18?

A

Noble Gases

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8
Q

What are the most reactive group of metals?

A

Alkali metals

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9
Q

What are elements that form salts by combining with metals?

A

Halogens

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10
Q

What group of metals include oxygen and sulfur?

A

Chalcogens

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11
Q

What reacts to form bases, found in minerals?

A

Alkaline earth metals

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12
Q

What forms multiple charges, used to make pigments?

A

Transition metals

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13
Q

What are found on the stair step line of the table of elements, part metal and part nonmetal?

A

Metalloids

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14
Q

What does the chemical symbol represent for an element?

A

Name

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15
Q

What shows the number if elements in a compound and how they are bonded together?

A

Chemical formula

16
Q

What do dot diagrams represent?

A

Valence electrons

17
Q

What kind of chemical bond is formed when am equal exchange or transfer of electrons occurs?

A

Ionic

18
Q

What holds atoms together in a compound?

A

Chemical bond

19
Q

What is a group of covalently bonded atoms that act together as one charged atom?

A

Polyatomic ion

20
Q

What is an abbreviation used for elements in chemistry?

A

Chemical symbol

21
Q

What is a chemical bond that occurs when atoms share electrons?

A

Covalent

22
Q

What is an insoluble compound that forms during a chemical reaction?

A

Precipitate

23
Q

What are numbers that precede chemical formulas, used to balance equations?

A

Coefficients

24
Q

What state of matter is H2O (l)?

A

Liquid

25
Q

What represents oxidation numbers or charges of ions?

A

Superscripts

26
Q

What is the name of elements that dissolve in water (aq)?

A

Aqueous

27
Q

What state of matter is O2 (g)?

A

Gas

Pre-Ap Physical Science (1 decks)

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