Combined: MLT102 Unit 1 Lesson 2 & 3

Question 1

What increases the rate of a reaction?

Accepted Answer

Catalyst

Question 2

How many valence electrons does nitrogen (N) have?

Accepted Answer

5

Question 3

Organic compounds have ionic bonds.

Accepted Answer

False

Question 4

Tend to lose electrons during chemical reactions, forming negative ions.

Accepted Answer

Nonmetals

Question 5

Groups on the same side are:

Accepted Answer

cis

Question 6

PROBABILITY of finding an electron in a region of space:

Accepted Answer

Atomic orbital

Question 7

The above are characteristics of:

Accepted Answer

Neutron

Question 8

Responsible for the chemical and physical properties of a molecule.

Accepted Answer

Functional group

Question 9

Outermost particles in an atom that are involved in the bonding process.

Accepted Answer

Valence electrons

Question 10

An aromatic compound contains a _______.

Accepted Answer

Benzene ring

Question 11

The larger the hydrocarbon chain, the lower the melting and boiling point.

Accepted Answer

False

Question 12

In the above reaction, aldehyde is REDUCED to form carboxylic acid.

Accepted Answer

False

Question 13

Reactions involving ionic compounds proceed faster than those involving covalent bonds.

Accepted Answer

True

Question 14

Substance whose atoms tend to lose electrons during chemical reactions, forming positive ions.

Accepted Answer

Metals

Question 15

Positive ions (cations) are larger than the parent atom.

Accepted Answer

False

Question 16

Compounds with the same molecular formula but different structures are called

Accepted Answer

Isomers

Question 17

Which of these is not an aliphatic hydrocarbon?

Accepted Answer

Benzene ring

Question 18

The basic structural unit of an element is:

Accepted Answer

Atom

Question 19

Alcohols contain the group:

Accepted Answer

-OH

Question 20

An unsaturated hydrocarbon with at least one carbon-carbon triple bond is an:

Accepted Answer

Alkyne

Question 21

Transfer of one or more electrons from one atom to another to form a bond.

Accepted Answer

Ionic bonding

Question 22

Elements will gain, lose or share electrons to attain the electron configuration of the noble gas closest to them.

Accepted Answer

True

Question 23

Organic compound containing a hydroxyl group attached to an alkyl group is a

Accepted Answer

Alcohol

Question 24

Ionization energy increases from left to right AND decreases from top to bottom

Accepted Answer

True

Question 25

Formation of cis-trans isomers is a consequence of the lack of free rotation.

Accepted Answer

True

Question 26

Groups on opposite sides are:

Accepted Answer

trans

Question 27

The above molecule is a:

Accepted Answer

Amide

Question 28

What kind of reaction is this?

Accepted Answer

Esterification

Question 29

Atomic size decreases from left to right AND increases from top to bottom on the periodic table.

Accepted Answer

True

Question 30

Polar covalent bonds are made up of equally shared electron pairs.

Accepted Answer

False

Question 31

Organic chemistry is the study of ______ compounds.

Accepted Answer

carbon-containing

Question 32

Who concluded that the nucleus was at the center and electrons occupy energy levels around the nucleus.

Accepted Answer

Bohr

Question 33

Aromatic hydrocarbons contain a benzene ring.

Accepted Answer

True

Question 34

In aldehydes the carbonyl group is always located _______ the carbon chain.

Accepted Answer

At the end of

Question 35

Inorganic compounds have ionic bonds.

Accepted Answer

True

Question 36

Electron affinities decrease down a group and increases across a period.

Accepted Answer

True

Question 37

Ability of an atom to attract electrons in a chemical bond.

Accepted Answer

Electronegativity

Question 38

A benzene ring consists of 7 carbon atoms and alternating single, double carbon-carbon bonds.

Accepted Answer

False

Question 39

A saturated hydrocarbon contains double or triple bonds.

Accepted Answer

False

Question 40

Metallic elements tend to form negatively charged anions.

Accepted Answer

False

Question 41

The above are characteristics of:

Accepted Answer

Electron

Question 42

Cations have a _______ charge.

Accepted Answer

Positive

Question 43

Molecules with the same functional group exhibit different chemical properties.

Accepted Answer

False

Question 44

Carbonyl compounds contain the group:

Accepted Answer

-C=O

Question 45

An unsaturated hydrocarbon with at least one carbon-carbon double bond is an:

Accepted Answer

Alkene

Question 46

The above are characteristics of:

Accepted Answer

Proton

Question 47

Carboxylic acids have the group:

Accepted Answer

-COOH

Question 48

Elements that emit particles and energy:

Accepted Answer

Radioactive isotopes

Question 49

Energy required to remove an electron from an isolated atom.

Accepted Answer

Ionization energy

Question 50

Anions have a _______ charge.

Accepted Answer

Negative

Question 51

Alkanes with one fewer hydrogen atom are:

Accepted Answer

Alkyl groups

Question 52

Highest energy orbits are located closest to the nucleus.

Accepted Answer

False

Question 53

The atomic number is equal to the number of neutrons in the atom.

Accepted Answer

False

Question 54

Since hydroxyl groups are very polar, ____ bonds can from between alcohol molecules.

Accepted Answer

Hydrogen bonds

Question 55

Atoms of the same element having different masses because they contain different number of neutrons:

Accepted Answer

Isotope

Question 56

Sharing of electrons to form a bond.

Accepted Answer

Covalent bonding

Question 57

In ketones the carbonyl group is located _______ the carbon chain.

Accepted Answer

Within

Question 58

The mass number is equal to the sum of the protons and neutrons.

Accepted Answer

True

Question 59

Hydrocarbons contain:

Accepted Answer

only carbon and hydrogen

Question 60

The above molecule is a:

Accepted Answer

Amine

Question 61

Carbon atoms form stable, reliable, and predictable bonds with other elements.

Accepted Answer

True

Question 62

Rate of a reaction will decrease as the concentration increases.

Accepted Answer

False

Question 63

Carbon-carbon single bonds in a ring structure are called

Accepted Answer

Cycloalkanes

Combined: MLT102 Unit 1 Lesson 2 & 3

Questions 63

Combined: MLT102 Unit 1 Lesson 2 & 3

Questions 63