Bonding and Naming Quiz

Question 1

Chemical Bond

Answer 1

Attractive force between atoms or ions that bind them together as a unit

Question 2

Covalent Bonding

Answer 2

Electrons are shared
Nonmetal plus nonmetal

Question 3

Ionic Bonding

Answer 3

Electrons are transferred
Metal plus nonmetal
Net charge is always zero
Metals transfer to nonmetals

Question 4

Metallic Bonding

Answer 4

Each metal contributes electrons and the electrons flow between atoms
Metal plus metal
Low electronegativity so free to move

Question 5

Chemical Formula

Answer 5

Smallest particle

Question 6

Formula Unit

Answer 6

The chemical formula for an ionic compound, or the simplest whole number ratio of ions present in the crystalline structure
NaCl

Question 7

Molecular Formula

Answer 7

CO2

Question 8

Compound

Answer 8

Two types of elements is binary
More than two types of elements is ternary

Question 9

Ion

Answer 9

One atom is monatomic ion
Two or more atoms is polyatomic ion

Question 10

Type of Structure

Answer 10

Ionic is crystal lattice
Covalent is true molecules
Metallic is “electron sea” or lattice

Question 11

Physical State

Answer 11

Ionic is solid
Covalent is solid, iquid, or gas
Metallic is solid

Question 12

Melting Point

Answer 12

Ionic is high
Covalent is low
Metallic is very high

Question 13

Solubility in Water

Answer 13

Ionic yes
Covalent usually not
Metallic no

Question 14

Electrical Conductivity

Answer 14

Ionic is yes in solution or liquid
Covalent is no
Metallic is yes any form

Question 15

Other Properties

Answer 15

Covalent is odorous
Metallic is malleable, ductile, and lustruous

Question 16

Polar Covalent

Answer 16

Unequal attraction for shared electrons creating partially charged poles or asymmetrical electron density
Overlapping two orbitals and creating polar molecule

Question 17

Non Polar Covalent

Answer 17

Electrons are shared equally or symmetrical electron density
Overlapping orbital

Question 18

Most Bonds Are

Answer 18

A blend of ionic and covalent characteristics

Question 19

Non Polar Covalent Bond

Answer 19

Bonding electrons shared equally between two atoms with no charge
Even sharing

Question 20

Polar Covalent Bond

Answer 20

Bonding electrons shared unequally between two atoms with a partial charge
Uneven sharing

Question 21

Ionic Bond

Answer 21

Complete transfer of one or more valence electrons with full charge on resulting ions
Complete transfer

Question 22

Electronegativity

Answer 22

The measure of an atom’s ability to attract electrons

Question 23

END

Answer 23

Difference in electronegativity which determines bond type
Nonpolar is <0.5 nonmetal + nonmetal
Polar is 0.5 to 1.7 nonmetal + nonmetal
Ionic is >1.7 nonmetal + metal

Question 24

Salts

Answer 24

Product of ionic bonding, oppositely charged ions

Question 25

Delocalized

Answer 25

Free to roam about

Question 26

Metal Delocalized

Answer 26

Vacant and nearly empty orbitals of metals overlap

Question 27

Metal Alloys

Answer 27

Formed when metal atoms replace other metal atoms or when smaller metal atoms occupy small spaces between larger atoms

Question 28

True Molecule

Answer 28

A group of two or more atoms held together by chemical bonds, forming the smallest identifiable unit of substance

Question 29

Ionic Compounds Molecule

Answer 29

NOT just a 1:1 ratio Polyatomic ion

Question 30

Properties of Ionic Compounds

Answer 30

DUE TO CRYSTAL LATTICE STRUCTURE Strong High melting and boiling points Conducts electricity in aqueous state Solids at room temperature Brittle

Question 31

Crystalline Solid

Answer 31

A three dimensional network of positive and negative ions mutually attracted to one another

Question 32

Crystal Lattice

Answer 32

The orderly three dimensional arrangement of ions Energy is higher so stronger bond

Question 33

Electron Dot Diagram

Answer 33

Show only the valnce electrons of an atom Place one dot on each side before pairing up Also called ionic compound formations, Lewis dot diagrams, or Lewis structures

Question 34

Helium Electron Dot Diagram

Answer 34

Use two dots on same side

Question 35

Electron Dot Diagram Anion

Answer 35

Put eight dots Brackets around symbol and dots Write charge in top right corner

Question 36

Electron Dot Diagram Cation

Answer 36

Zero dots Brackets around Write charge

Question 37

Comes First

Answer 37

Cations

Question 38

Polyatomic Ions

Answer 38

A group of covalently bonded atoms that bond in such a way that the group has a net charge

Question 39

Lewis Structure for Polyatomic Ions

Answer 39

Count number of valences to be accounted for Draw center atom Show shared pairs of electrons by using a dash instead of dots Central atom will be atom with least electronegativity Add dots so each atom has octet Count to make sure number is correct If ion, add brackets and record charge

Question 40

Lewis Structure for Polyatomic Ions Rules

Answer 40

Central atom will be carbon if present and hydrogen will never be as it only forms one bond Each dash represents two electrons If you have two more electrons than needed, there is a double bond somewhere Four more electrons than needed, triple bond or two double bonds

Question 41

Chemical Formula For Ionic Compound

Answer 41

Represents one formula unit of that compound

Question 42

Oxidation

Answer 42

Charge Many transition elements have more than one possible oxidation state

Question 43

Fixed

Answer 43

Single known charge Anions are always fixed

Question 44

Cation and Anion Rules

Answer 44

Cation first and keeps name Anion changes end to -ide

Question 45

Cross Over Method

Answer 45

Cross the charge number over the subscript of the other atom ALWAYS REDUCE

Question 46

Polyatomic Ions I'm Confused

Answer 46

Ion made up of more than one acts as single charge Treat as one unit Never change subscripts

Question 47

Multivalent

Answer 47

More than one possible oxidation state

Question 48

Type 1 Compound

Answer 48

Binary Metal from columns 1, 2, or 13 and a nonmetal Only one charge or oxidation state