quiz 11/7

Question 1

Nonpolar-covalent bonding

Answer 1

Electronegativity difference ranges from 0 to (less than or equal to) 0.3

Question 2

Nonpolar-covalent bonding

Answer 2

equal sharing with similar electronegativity, pulls on electrons similarly

Question 3

Polar covalent bonding

Answer 3

electronegativity difference ranges from 0.3-1.7

Question 4

Polar covalent bonding

Answer 4

unequal sharing of electrons

Question 5

If the difference of electronegativity is greater than or equal to 1.7 it is…

Answer 5

ionic

Question 6

Covalent bonding is usually between

Answer 6

nonmetals

Question 7

Ionic bonding is usually between

Answer 7

metals and nonmetals

Question 8

Covalent bonding is the

Answer 8

sharing of electrons

Question 9

Ionic bonding is the

Answer 9

transfer of electrons

Question 10

Metallic bonding is the

Answer 10

delocalize of electrons

Question 11

VSEPR (Valence Shell Electron Pair Repulsion Theory)

Answer 11

explains why molecules take the shapes they do and

Question 12

Symmetrical compounds are

Answer 12

nonpolar

Question 13

Compounds that have an unshared pair of electrons or aren’t symmetrical are

Answer 13

polar

Question 14

Ionic compounds are soluble in

Answer 14

water but not in nonpolar liquids

Question 15

Ionic compounds are

Answer 15

solid-hard crystals, cannot bend

Question 16

Ionic compounds

Answer 16

conduct electricity when melted or dissolved

Question 17

Covalent bonds

Answer 17

are solid, liquid, or gas; softer than ionic solids

Question 18

Have low melting and boiling points compared to ionic compounds

Answer 18

covalent bonds

Question 19

Soluble in nonpolar liquids, some are soluble in water

Answer 19

covalent bonds

Question 20

Nonconductors of electricity in all phases

Answer 20

covalent bonds

Question 21

Delocalized

Answer 21

do not belong to one atom, but are free to move throughout the metal

Question 22

_ bonds are strong, and have high melting and boiling points

THOUSANDS OF THOUSANDS OF DEGREES HIGH! (Boiling)

Answer 22

Metallic

Question 23

As electrons move in..

Answer 23

electrons move out

Question 24

A _ _ is an attraction that holds atoms together

Answer 24

chemical bond

Question 25

When chemical bonds form, energy is _, which results in lower energy arrangement

Answer 25

released

Question 26

_ the tendency of an atom in a molecule to attract shared electrons to itself

Answer 26

electronegativity

Question 27

Electronegativity _ going from left to right, and _ going down a group

Answer 27

increases,decreases

Question 28

_ _ is the result from the electrical attractions between positive (cations) and negative (anions) ions

Answer 28

Ionic bonding

Question 29

_ _ is made from the sharing of electron pairs between 2 atoms

Answer 29

Covalent bonding

Question 30

Covalent bonding forms _

Answer 30

molecules

Question 31

_ _ only found in metals, free moving valence electrons are attracted to positive ions

Answer 31

Metallic bonding

Question 32

Metallic bond structure?

Answer 32

Electron Sea

Question 33

Ionic structure?

Answer 33

Crystal Lattice

Question 34

Covalent structure

Answer 34

True Molecule

Question 35

Ionic physical state

Answer 35

Solid

Question 36

Covalent physical state?

Answer 36

Liquid/Gas

Question 37

Metallic physical state?

Answer 37

Solid

Question 38

_ has a high melting point

Answer 38

Ionic

Question 39

_ has a low melting point

Answer 39

Covalent

Question 40

_ has a very high melting point

Answer 40

Metallic

Question 41

_ is soluble in water

Answer 41

Ionic