Final

Question 1

There are no exceptions to the octet rule

Answer 1

False

Question 2

Ionic bonds are highly polar bonds

Answer 2

True

Question 3

Metallic bonds are between two non-metals

Answer 3

False

Question 4

What element is an exception to the octet rule

Answer 4

Hydrogen

Question 5

What type of bind is formed by atoms “ sharing “ electrons

Answer 5

Ionic

Question 6

What property is the tendency of an object to form 2 localized regions of opposite character

Answer 6

Polarity

Question 7

What is the measure of an atoms ability to attract electrons to itself in a chemical bond

Answer 7

Electronegativity

Question 8

Polyatomic compounds that have a positive or negative charge are

Answer 8

Polyatomic ions

Question 9

What is the orderly arrangement of ions In a ionic bond

Answer 9

Crystal lattice

Question 10

Theory states that electrons in a metallic bond are freely “ floating “ around

Answer 10

Electron sea theory

Question 11

What is a notable exceptions to the general characteristics of covalent compounds

Answer 11

Network covalent substance

Question 12

What is the octet rule

Answer 12

Attaining a full valence shell

Question 13

A non binding pair of electrons is considered an area of of electron density

Answer 13

True

Question 14

Covalent bonds are always nonpolar

Answer 14

False

Question 15

End to end bond and is the stronger bond

Answer 15

Sigma bond

Question 16

Side by side bind and weaker

Answer 16

Pi bond

Question 17

Theory that is called the localized electron theory

Answer 17

Valence bond theory

Question 18

Theory that focuses on the locations of highest electron density

Answer 18

VSEPR

Question 19

Which shape typically has the central atom surrounded by 4 areas of electron density

Answer 19

Tetrahedral

Question 20

Which shape is Y-Shaped with all 4 atoms lying on a singular plane

Answer 20

Trigonal planar

Question 21

When electrons are harmed, but they are unequally shared, the bond is

Answer 21

Polar covalent bond

Question 22

What is a measure of molecular polarity called

Answer 22

Dipole moment

Question 23

What represents the number of electrons that an atom in a compound must gain or lose to return to its neutral state

Answer 23

Oxidation number

Question 24

The IUPAC developed a systematic way to name compounds called a

Answer 24

Nomenclature

Question 25

What type of compounds used the Greek prefix system

Answer 25

Binary covalent compounds

Question 26

What are company’s that hold a characteristic amount of water in there crystalline structure called

Answer 26

Hydrates

Question 27

The substances present before a reaction occurs, on the left side of the equation are called

Answer 27

Reactants

Question 28

What type of reactions combine 2 or more substances into a single product

Answer 28

Synthesis reaction

Question 29

In what type of reaction does a reactive element replace a less reactive element in a compound

Answer 29

Single-replacement reactions

Question 30

What is the mass of one mole of any pure substance

Answer 30

Molar mass

Question 31

Which formula show the types of atoms involved, the exact composition of each molecule and the arrangement of chemical bonds

Answer 31

Structural formula

Question 32

What law states that the ratio of elements in a compound are constant for every particle in that compound

Answer 32

Law of definite composition

Question 33

What shows the mathematical relationships between the amounts of reactants and products in a chemical reaction

Answer 33

Stoichiometry

Question 34

Which reactant is used up first and prevents more products from forming

Answer 34

Limiting reactants

Question 35

Which is the maximum amount of product that could be created from a given amount of reactant

Answer 35

Theoretical yield

Question 36

What is the actual measured amount of product at the end of a reaction

Answer 36

Actual yield

Question 37

What is the percentage of the theoretical yield that was actually produced

Answer 37

Precent yield

Question 38

What describes the mass composition of a compound by showing what percentage of its total mass comes from each element

Answer 38

Percent composition

Question 39

Avogadro’s number

Answer 39

6.022 x 10^23

Question 40

A lens through which someone views the world

Answer 40

Worldview

Question 41

What type of data describes

Answer 41

Qualitative

Question 42

What type of reasoning goes from large statements to specific conclusions

Answer 42

Deductive

Question 43

Ancient chemistry practiced by Egyptians, romans, Arabs, and Europeans

Answer 43

Alchemy

Question 44

Scientific ideas that try and explain phenomenon

Answer 44

Theory

Question 45

What change alters the identity of the substance

Answer 45

Chemical change

Question 46

Which is a uniform mixture that appears as one layer

Answer 46

Homogeneous mixture

Question 47

Ductility is the ability of a material to transfer heat/electricity between its particles

Answer 47

False

Question 48

Which law states, “ all natural processes tend toward the highest entropy and minimum usable energy

Answer 48

Law of entropy

Question 49

What is the act of comparing an unknown quantity to a standard unit

Answer 49

Measurement

Question 50

Which means “ one of something “ and is included in every measurement

Answer 50

Units

Question 51

Niels Bohr developed a mathematical atomic model

Answer 51

True

Question 52

Who suggested that electrons were only in certain energy levels, which are called principle energy levels, outside the nucleus

Answer 52

Niels Bohr

Question 53

Element that has the strongest electronegativity

Answer 53

Fluorine

Question 54

What type of ions have lost electrons to make them have a positive charge

Answer 54

Cations

Question 55

What are the compounds that combine with oxygen called

Answer 55

Oxides

Question 56

The measure of attraction between the nucleus and valence electrons is

Answer 56

Electronegativity

Question 57

Who was the professor at Cambridge who represented that there was a small region in an atom called the nucleus

Answer 57

Ernest Rutherford

Question 58

Who was the first to develop an atom model based on experimental evidence

Answer 58

John dalton