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IHS Test 1 - Chemistry Questions

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Quiz on IHS Test 1 - Chemistry Questions, created by Rachel Nall on 03/06/2016.
Rachel Nall
Quiz by Rachel Nall, updated more than 1 year ago
Rachel Nall
Created by Rachel Nall over 8 years ago
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Resource summary

Question 1

Question
Which of the following is the definition of a gas?
Answer
  • A substance that possesses volume and assumes the shape of its container.
  • A substance that possesses neither a volume or shape, but expands indefinitely.
  • A substance that has volume and shape that cannot be compressed.
  • A mixture of ionized gas and free-floating electrons.

Question 2

Question
Which of the following is an example of a solid?
Answer
  • Water
  • Steam
  • Ice cube

Question 3

Question
Which of the following doesn't describes a change in water's physical properties?
Answer
  • adding heat to an ice cube to cause it to melt
  • adding pressure to cause water to become a gas
  • breaking the bonds of h20 into hydrogen and oxygen

Question 4

Question
The identity of an atom is determined by [blank_start]what?[blank_end]
Answer
  • atomic number

Question 5

Question
Which of the following is the definition of an element?
Answer
  • A basic building block of matter
  • A substance composed of two or more elements.
  • A material made up of two or more different substances which are mixed, but are not combined chemically.
  • A pure substance that cannot be broken down into similar substances by chemical reactions.

Question 6

Question
Which of the following is NOT a portion of Dalton's Atomic Theory?
Answer
  • All matter is made up of tiny particles called atoms.
  • All atoms of the same element are not identical to each other.
  • Atoms of any one element are different from those of another element.
  • Atoms combine to form molecules.

Question 7

Question
A compound is formed by bonding atoms together in a [blank_start]fixed ratio[blank_end].
Answer
  • fixed ratio

Question 8

Question
Which of the following is an example of a mixture?
Answer
  • h20 (water)
  • NaCL
  • Fluoride
  • Blood

Question 9

Question
A [blank_start]molecule[blank_end] is a tightly bound group of atoms that act as a unit and is connected by a chemical bond.
Answer
  • molecule

Question 10

Question
Rows in the periodic table are called [blank_start]periods[blank_end]. They increase with [blank_start]atomic weight[blank_end]. Columns are called [blank_start]families[blank_end].
Answer
  • periods
  • atomic weight
  • families

Question 11

Question
What is the definition of an atomic number?
Answer
  • The number of protons in the nucleus.
  • The sum of the number of protons and neutrons.
  • The electrical charge of the atom.

Question 12

Question
[blank_start]Protons[blank_end] have a positive charge and are in the nucleus. Neutrons have no charge and are in the nucleus. Both protons and neutrons have equal mass. Electrons have a negative charge. Their mass is 1/1800 of the nucleus.
Answer
  • Protons
  • Neutrons
  • Electrons

Question 13

Question
How many electrons are in the 2nd orbit of an electron?
Answer
  • 2
  • 8
  • 16

Question 14

Question
Which of the following is NOT an example of the "big four" elements needed for human life?
Answer
  • Carbon
  • Hydrogen
  • Calcium
  • Oxygen
  • Nitrogen

Question 15

Question
Which element is responsible for regulating neutrality of body fluids and in energy transfer?
Answer
  • Calcium
  • Phosphorus
  • Potassium
  • Sulfur

Question 16

Question
About 90 percent of [blank_start]calcium[blank_end] in the body is present in bones as phosphates and carbonates.
Answer
  • calcium

Question 17

Question
Which of the following elements is NOT responsible for helping to regulate electrical balance of body fluids?
Answer
  • Potassium
  • Magnesium
  • Chlorine
  • Sodium

Question 18

Question
A [blank_start]cation[blank_end] is an atom that loses one or more electrons, giving it a positive charge.
Answer
  • cation

Question 19

Question
Compounds composed of [blank_start]non-metals[blank_end] tend to be molecular.
Answer
  • non-metals

Question 20

Question
Which of the following is the strongest of the electrostatic bonds?
Answer
  • Ionic
  • Dipole-Dipole
  • Hydrogen
  • London
  • Covalent

Question 21

Question
In ionic bonding, non-metals tend to readily accept metals. [blank_start]Non-metals[blank_end] usually have 5, 6, or 7 outer electrons. [blank_start]Metals[blank_end] usually have 1, 2, or 3 electrons.
Answer
  • Metals
  • Non-metals

Question 22

Question
Which of the following are examples of ionic bonds?
Answer
  • NaCL (sodium chloride)
  • MgO (magnesium oxide)
  • CaCL2 (calcium chloride)
  • All of the above

Question 23

Question
What are dipole-dipole attractions?
Answer
  • The attraction between positive and negative ions.
  • A bond that's only possible when a hydrogen atom is directly bonded to F, O, or N
  • The attraction between the opposite (partial) charges of polar molecules.
  • An instantaneous dipole that is created whenever electrons in a molecule are unevenly distributed.

Question 24

Question
An [blank_start]ion-dipole[blank_end] bonding is a structural arrangement in which a molecule "appears" to have a more positive side or more negative side.
Answer
  • ion-dipole

Question 25

Question
This image is an example of what kind of bond?
Image:
43ef42e5-2f12-4d74-8d2f-07cc5bbcf812 (image/png)
Answer
  • Ion-dipole
  • Dipole-Dipole
  • London forces
  • Hydrogen bonding

Question 26

Question
[blank_start]Hydrogen bonding[blank_end] holds the water molecules in the liquid state and prevents the water in our bodies from exploding away into the gas state.
Answer
  • Hydrogen bonding

Question 27

Question
Which of the following is the weakest of the intermolecular forces?
Answer
  • Covalent
  • Hydrogen
  • London
  • Dipole-dipole

Question 28

Question
Under the Octet Rule, all atoms want to be [blank_start]noble[blank_end] gases.
Answer
  • noble

Question 29

Question
The [blank_start]covalent[blank_end] bond forms the foundation for organic chemistry.
Answer
  • covalent

Question 30

Question
Compounds made up of mainly one or more carbon atoms with their respective hydrogen attachments are called [blank_start]hydrocarbons[blank_end].
Answer
  • hydrocarbons

Question 31

Question
This image is an example of which gas?
Image:
3bc875a6-b7db-414c-bb0d-93ba63101074 (image/png)
Answer
  • Ethane
  • Alkane
  • Alkenes
  • Methane

Question 32

Question
CH3 is an example of a _________ group.
Answer
  • Methyl
  • Alkane
  • Carbonized
  • Ethane

Question 33

Question
This image is an example of what common hydrocarbon?
Image:
4068fdd3-92f8-4054-8985-656f4292f820 (image/png)
Answer
  • Methane
  • Ethane
  • Butane
  • Pentane

Question 34

Question
Name the following hydrocarbon configurations: 3 atoms = [blank_start]Propane[blank_end] 4 atoms = [blank_start]Butane[blank_end] 5 atoms = [blank_start]Pentane[blank_end] 6 atoms = [blank_start]Hexane[blank_end] 7 atoms = [blank_start]Heptane[blank_end] 8 atoms = [blank_start]Octane[blank_end] 9 atoms = [blank_start]Nonane[blank_end] 10 atoms = [blank_start]Decane[blank_end]
Answer
  • Propane
  • Butane
  • Pentane
  • Hexane
  • Heptane
  • Octane
  • Nonane
  • Decane

Question 35

Question
This image is an example of what molecule?
Image:
82a93a31-3419-4494-a0ef-52964d3b1475.gif (image/gif)
Answer
  • Pentane
  • Decane
  • Halothane
  • Isoflurane

Question 36

Question
Hydrocarbons with a double bond are called [blank_start]alkenes[blank_end]. Hydrocarbons with a triple bond are called [blank_start]alkynes[blank_end].
Answer
  • alkenes
  • alkynes

Question 37

Question
What are compounds with identical molecular formulas, but several alternate structures?
Answer
  • Isotonic
  • Isomer
  • Alkane
  • Methyl group

Question 38

Question
There are two types of isomers: [blank_start]structural[blank_end] isomers and [blank_start]stereoisomers[blank_end].
Answer
  • structural
  • stereoisomers

Question 39

Question
Optical isomers that bend light to the right are called what?
Answer
  • Dextroisomers
  • Levoisomers
  • Structural isomers
  • Beta isomers

Question 40

Question
Optical isomers that bend light to the left are called what?
Answer
  • Dextroisomers
  • Levoisomers
  • Structural isomers
  • Beta isomers

Question 41

Question
When there is a mixture of both dextro- and levoisomers such that no bending of light occurs, the mixture is called [blank_start]racemic[blank_end].
Answer
  • racemic

Question 42

Question
Enflurane and what gas are trifluoroethyl difluoromethyl ethers? They have the same chemical formula and atomic weight, but different structure and physical characteristics.
Answer
  • Isoflurane
  • Sevoflorane
  • Halothane
  • Ethane

Question 43

Question
What is a set of atoms bonded together in a specific way, which largely defines the chemical and physical properties of a compound?
Answer
  • Functional group
  • Methyl group
  • Alkane group
  • Compound

Question 44

Question
Organic molecules have 2 parts: a [blank_start]carbon[blank_end] backbone and one or more [blank_start]functional[blank_end] groups.
Answer
  • carbon
  • functional

Question 45

Question
Ethers are composed of two radical groups joined by an atom of what?
Answer
  • Oxygen
  • Carbon
  • Hydrogen
  • Nitrogen

Question 46

Question
Which of the following is NOT a member of the halogen group?
Answer
  • Fluorine
  • Chlorine
  • Bromine
  • Iodine
  • Xenon

Question 47

Question
A halogenated ether has an [blank_start]oxygen[blank_end] atom to make it more stable.
Answer
  • oxygen

Question 48

Question
R-COO-R is the formula for what compounds?
Answer
  • Ethers
  • Esters
  • Amides
  • Amines

Question 49

Question
This image is an example of what organic compound?
Image:
b5136fb1-9351-4ad6-86e7-9c8ff005cf48 (image/png)
Answer
  • Ester
  • Amide
  • Amine
  • Ether

Question 50

Question
This image is an example of what?
Image:
49f822c4-0f67-4470-ba15-01340f137ff4 (image/png)
Answer
  • Ester
  • Amide
  • Amine
  • Ether

Question 51

Question
The generic formula -CONH2 is the formula for what?
Answer
  • Ethers
  • Esters
  • Amides
  • Amines

Question 52

Question
The generic formula for what group is R-NH2 ?
Answer
  • Amides
  • Amines
  • Ethers
  • Esters

Question 53

Question
This image is an example of what group?
Image:
b9c411e2-7785-4491-8289-dab8f71e9608 (image/png)
Answer
  • Amines
  • Amides
  • Esters
  • Ethers

Question 54

Question
Epinephrine, norepinephrine, dopamine, phenylephrine, and dobutamine are all examples of [blank_start]amines[blank_end].
Answer
  • amines

Question 55

Question
This image is an example of what?
Image:
86639c9b-c8e9-489f-8a45-d5212da0015a (image/png)
Answer
  • Amine ring
  • Benzene ring
  • Ether ring
  • Ester ring

Question 56

Question
Where is the methyl substitution and what is this molecule?
Image:
6511e255-c1d5-4d82-aca2-84a47394beab (image/png)
Answer
  • Methyl substitution
  • Epinephrine molecule

Question 57

Question
What is this molecule?
Image:
8dc5d2e7-edf2-4b12-86e1-86c8c61af0bf (image/png)
Answer
  • Dopamine
  • Norepinephrine
  • Epinephrine
  • Dobutamine
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