Chemistry final

Question 1

Who is known as the Father of Modern Chemistry?

Answer 1

Antoine Lavoisier

Question 2

The study of matter and the changes it undergoes is known as?

Answer 2

Chemistry

Question 3

What is the mandate that calls us to have wise dominion over the earth?

Answer 3

Creation mandate

Question 4

What is an idea or hypothesis that has been consistently tested and proven?

Answer 4

Theory

Question 5

What type of data uses numerical data?

Answer 5

Quantitative

Question 6

What theory states that hypothesis should be simple as possible

Answer 6

Ockham’s razor

Question 7

The ability of matter to transfer heat is known as?

Answer 7

Conductivity

Question 8

Which type of science probes nature simply to learn new things?

Answer 8

Pure

Question 9

Which property of a material are determined by how it’s particles relate to one another?

Answer 9

Physical

Question 10

Distinct groups of atoms bonded together are called:

Answer 10

Molecules

Question 11

What type of mixture only shows a single phrase?

Answer 11

Homogeneous

Question 12

What is the kinetic energy of atom-sized particles as they move in random directions?

Answer 12

Thermal Energy

Question 13

What is the unit of measurement for energy?

Answer 13

Joules

Question 14

The S.I.’s base unit for measurement is the?

Answer 14

Meter

Question 15

What is the base unit for mass

Answer 15

Kilograms

Question 16

How many base units are in the metric system

Answer 16

7

Question 17

How many significant digits are in 300 km

Answer 17

1 it is the 3 because it has 0s trailing it and no numbers after

Question 18

What principle states that we can know both the energy and the location of an electron at the same time

Answer 18

Heisenberg uncertainty principle

Question 19

Who was able to build an atomic model based on experimental evidence?

Answer 19

John Dalton

Question 20

Who is the modern periodic table credited to?

Answer 20

Dmitri Mendeleev

Question 21

Determine the oxidation number of H2O, NH3, CaO

Answer 21

H2O - H=+1 O=-2
NH3 - H=+1 N=-3
CaO - Ca=+2 O=-2

Question 22

Write the chemical formulas of:
Copper (II) Chloride 
Aluminum arsenide 
Sodium sulfate 
Use a periodic table

Answer 22

CuCl2
AlAs
Na2SO4

Question 23

Name the following binary covalent compounds
CO
SO2
OF2

Answer 23

Carbon monoxide
Sulfur dioxide
Oxygen difluoride

Question 24

Name the binary covalent compounds
CaO
naBr
Ca3N2

Answer 24

Calcium oxide
Sodium bromide
Calcium nitride

Question 25

Name the following polyatomic ionic compounds Be(OH2) SrSO3

Answer 25

Beryllium hydroxide | Strontium sulfate

Question 26

Balance this: | _S8+_O2--->_SO3

Answer 26

4,10,11

Question 27

Balance this: | _CH4+_O2---->_P2O5

Answer 27

1,2,1,2

Question 28

Balance this: | _P+_O2--->_P2O5

Answer 28

4,5,2

Question 29

Balance this: | _H2O+_O2--->_P2O5

Answer 29

2,1,2

Question 30

_N2+_H2--->_NH3

Answer 30

1,3,2

Question 31

Atoms naturally link with other atoms to form:

Answer 31

Chemical bonds

Question 32

Which bonds are formed by sharing electrons?

Answer 32

Covalent

Question 33

What is the octet rule?

Answer 33

Atoms trying to have 8 valence electrons to be stable

Question 34

Atoms that bond using delocalized electrons form:

Answer 34

Metallic bonds

Question 35

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

Answer 35

Polarity

Question 36

A single line in a Lewis structure represents what?

Answer 36

A pair of electrons

Question 37

By obtaining a full valence shells, atoms maximize stability

Answer 37

True

Question 38

Atoms with fewer than 4 valence electrons tend to gain more electrons

Answer 38

False , lose

Question 39

Covalent bonds are typically between 2 metals.

Answer 39

False , gases

Question 40

Delocalized electrons act like glue in metallic bonds

Answer 40

True

Question 41

What theory states that when the 2 bonding orbitals are superimposed, the overlapping space containing both electrons becomes available to both nuclei, and both atoms acquire another valence electron that fills the vacancy in that particular orbital?

Answer 41

Molecular orbital theory

Question 42

This theory suggests that the orbitals of a molecules atoms are replaced by totally new orbitals when a molecule

Answer 42

VSEPR theory

Question 43

Which theory focuses on the locations of highest electron density surrounding the central atom in a molecule and those areas of negativity electrical charge repel each other until they are are as far apart as is geometrically possible?

Answer 43

VSEPR theory

Question 44

What is orbital hybridization

Answer 44

When orbitals of different energies combine together to form new orbitals

Question 45

In a Lewis diagram the arrow with a plus sign points towards what?

Answer 45

The atom with the higher electronegativity

Question 46

What describes the magnitude and direction of molecular polarity?

Answer 46

Dipole Moment

Question 47

Which shape is a Y-shaped arrangement with all 4 atoms lying on a single plane?

Answer 47

Trigonal planar

Question 48

What type of bond is pi?

Answer 48

two separate regions overlap, they are both part of one bonding orbital containing two electrons. A side-to-side orbital

Question 49

molecule with two concentrations of electrons around the central atom has a

Answer 49

Linear shape

Question 50

What is a name of Mrs. Glovers cat

Answer 50

Zoey