Test 2 2016-17

Question 1

eight valence electrons in the outermost energy level

Answer 1

Octet

Question 2

positively charged ion, always listed first in a chemical name

Answer 2

cation

Question 3

negatively charged ion

Answer 3

anion

Question 4

electrostatic force that holds oppositely charged particles together

Answer 4

ionic bond

Question 5

identify the cation in LiBr

Answer 5

Li+

Question 6

identify the anion in LiBr

Answer 6

Br-

Question 7

identify the cation in NaF

Answer 7

Na+

Question 8

identify the anion in NaF

Answer 8

F-

Question 9

identify the cation in MgSe

Answer 9

Mg2+

Question 10

identify the anion in MgSe

Answer 10

Se2-

Question 11

3D arrangement of particles in which each positive ion is surrounded by negative ions and vice versa

Answer 11

crystal lattice

Question 12

an ionic compound whose aqueous solution conducts an electric current

Answer 12

electrolyte

Question 13

an ion formed from only one atom

Answer 13

monatomic ion

Question 14

an ion made up of two or more atoms bonded together that acts as a single unit with a net charge

Answer 14

polyatomic ion

Question 15

polyatomic ion composed of an element, usually a nonmetal, bonded to one or more oxygen atoms

Answer 15

oxyanion

Question 16

three properties of metal

Answer 16

malleable, ductile, good conductor of heat/electricity

Question 17

easily hammered into sheets

Answer 17

malleable

Question 18

easily drawn into wires

Answer 18

ductile

Question 19

mixture of elements that has metallic properties, not found on periodic table

Answer 19

alloy

Question 20

chemical bond in which electrons are shared between two atoms; strong bond, but not as strong as an ionic bond

Answer 20

covalent bond

Question 21

atoms held together by covalent (not ionic) bonds

Answer 21

molecule

Question 22

diagram of the bonds between atoms and lone electron pairs

Answer 22

Lewis dot structure

Question 23

which atom goes in the center of a lewis dot structure?

Answer 23

the LEAST electronegative atom

Question 24

reaction that absorbs heat

Answer 24

endothermic

Question 25

reaction that releases heat

Answer 25

exothermic

Question 26

give the name: N2O

Answer 26

dinitrogen monoxide

Question 27

give the name: CO

Answer 27

carbon monoxide

Question 28

give the name: P2O5

Answer 28

diphosphorous pentoxide

Question 29

give the name: CO2

Answer 29

carbon dioxide

Question 30

give the name: H2O

Answer 30

dihydrogen monoxide

Question 31

give the name: CCl4

Answer 31

carbon tetrachloride

Question 32

give the name: HCl

Answer 32

hydrochloric acid

Question 33

give the name: HBr

Answer 33

hydrobromic acid

Question 34

give the name: HF

Answer 34

hydrofluoric acid

Question 35

give the name: H2S

Answer 35

hyrdosulfuric acid

Question 36

give the name: HI

Answer 36

hydroiodic acid

Question 37

when a Lewis dot structure can be drawn in two or more ways

Answer 37

resonance structures

Question 38

the concept of mixing atomic orbitals into new hybrid orbitals

Answer 38

hybridization

Question 39

an atom's ability to hang on to its electrons

Answer 39

electronegativity

Question 40

bond between two atoms that have quite DIFFERENT electronegativities

Answer 40

polar covalent bond

Question 41

ond between two atoms that have THE SAME OR RATHER SIMILAR electronegativities

Answer 41

nonpolar covalent bond

Question 42

name the ion: NH₄⁺

Answer 42

ammonium

Question 43

name the ion: NO₂-

Answer 43

nitrite

Question 44

name the ion: NO₃-

Answer 44

nitrate

Question 45

name the ion: OH-

Answer 45

hydroxide

Question 46

name the ion: C₂H₃O₂-

Answer 46

acetate

Question 47

name the ion: CO₃^2-

Answer 47

carbonate

Question 48

name the ion: SO₃^2-

Answer 48

sulfite

Question 49

name the ion: SO₄^2-

Answer 49

sulfate

Question 50

name the ion: O₂^2-

Answer 50

peroxide

Question 51

name the ion: PO₄^3-

Answer 51

phosphate