Benchmark 4

Question 0

What is the most penetrating type of radiation?

Answer 0

Gamma

Question 1

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

Answer 1

Beta

Question 2

What is the amount of time it takes for half of a radioactive isotope to break apart?

Answer 2

Half-Life

Question 3

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

Answer 3

Fusion

Question 4

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

Answer 4

Isotopes

Question 5

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

Answer 5

Alpha

Question 6

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

Answer 6

Fission

Question 7

What do you call the atoms in Group 18?

Answer 7

Noble Gases

Question 8

What are the most reactive group of metals?

Answer 8

Alkali metals

Question 9

What are elements that form salts by combining with metals?

Answer 9

Halogens

Question 10

What group of metals include oxygen and sulfur?

Answer 10

Chalcogens

Question 11

What reacts to form bases, found in minerals?

Answer 11

Alkaline earth metals

Question 12

What forms multiple charges, used to make pigments?

Answer 12

Transition metals

Question 13

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

Answer 13

Metalloids

Question 14

What does the chemical symbol represent for an element?

Answer 14

Name

Question 15

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

Answer 15

Chemical formula

Question 16

What do dot diagrams represent?

Answer 16

Valence electrons

Question 17

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

Answer 17

Ionic

Question 18

What holds atoms together in a compound?

Answer 18

Chemical bond

Question 19

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

Answer 19

Polyatomic ion

Question 20

What is an abbreviation used for elements in chemistry?

Answer 20

Chemical symbol

Question 21

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

Answer 21

Covalent

Question 22

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

Answer 22

Precipitate

Question 23

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

Answer 23

Coefficients

Question 24

What state of matter is H2O (l)?

Answer 24

Liquid

Question 25

What represents oxidation numbers or charges of ions?

Answer 25

Superscripts

Question 26

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

Answer 26

Aqueous

Question 27

What state of matter is O2 (g)?

Answer 27

Gas