Module 4: Nomenclature

Question 1

This is an abbreviation used to indicate an element or an atom of an element

Answer 1

Chemical symbols

Question 2

Atoms of the same element that differ in mass

Answer 2

Isotopes

Question 3

who discovered isotopes?

Answer 3

Fredrick Soddy

Question 4

What is different from isotopes of the same element?

Answer 4

Number of neutrons

Question 5

isotope of Hydrogen with no neutron

Answer 5

Protium

Question 6

isotope of Hydrogen with one neutron

Answer 6

Deuterium

Question 7

isotope of Hydrogen with two neutron

Answer 7

Tritium

Question 8

This is approximately equal to the mass number of an element

Answer 8

Atomic mass

Question 9

A weighted, average mass of all the isotopes present in a naturally occurring sample of that element

Answer 9

Atomic Mass

Question 10

Atomic mass is expressed in?

Answer 10

atomic mass unit (amu)

Question 11

Formula for average atomic mass unit

Answer 11

Summation of fraction abundance of one isotope x isotopic mass and so on

Question 12

The instrument used to experimentally determine the occurrence and natural abundances of isotopes

Answer 12

Mass Spectrometry

Question 13

An electrically charged atom

Answer 13

Ion

Question 14

all ions are atoms?

Answer 14

True

Question 15

all atoms are ions?

Answer 15

False

Question 16

an atom that gains one or more electrons

Answer 16

Anion

Question 17

a negatively charged ion

Answer 17

Anion

Question 18

an atom that loses one or more electrons

Answer 18

Cation

Question 19

a positively charged ion

Answer 19

Cation

Question 20

Name for Group 1 in the periodic table

Answer 20

Alkali metals

Question 21

Name for Group 2 in the periodic table

Answer 21

Alkaline earth metals

Question 22

Name for Group 15 in the periodic table

Answer 22

Pnictogens

Question 23

Name for Group 16 in the periodic table

Answer 23

Chalcogens

Question 24

Name for Group 17 in the periodic table

Answer 24

Halogens

Question 25

Name for Group 18 in the periodic table

Answer 25

Noble Gases

Question 26

It is the representation of a molecule with the use of chemical symbols to indicate the type of atoms with a subscript that indicate the number of atoms of each type

Answer 26

Molecular Formula

Question 27

It shows how the atoms are connected in a molecule

Answer 27

Structural Formula

Question 28

It shows the molecular geometry of a molecule

Answer 28

Ball and Stick Model

Question 29

It focus on showing the electron cloud of a molecule

Answer 29

Space-filling Model

Question 30

Electron Cloud

Answer 30

areas of higher probability of finding an electron which is always in motion

Question 31

true chemical formula of a compound

Answer 31

Molecular Formula

Question 32

lowest number ratio possible of a compound

Answer 32

Empirical Formula

Question 33

Elements that tend to lose electrons to become cations

Answer 33

Metals

Question 34

Elements that tend to gain electrons and become anions

Answer 34

Non-metals

Question 35

Compound formed when a metal reacts with a nonmetal in which a transfer of electrons between the two occurs which is stabilized by ionic bonds

Answer 35

Ionic Compound

Question 36

electrostatic forces of attraction between oppositely charged ions of an ionic compounds

Answer 36

Ionic bonds

Question 37

Nomenclature for binary ionic compounds

Answer 37

cation first and anion second change ending of anion to "-ide" add roman numeral for cations that can have multiple charges

Question 38

Ions composed of more than one atom that act as a discrete unit and are electrically charged molecules

Answer 38

Polyatomic ions

Question 39

polyatomic ions containing at least one oxygen

Answer 39

Oxyanions

Question 40

Ammonium

Answer 40

Nh4 +

Question 41

Peroxide

Answer 41

O2 2-

Question 42

Hydroxide

Answer 42

OH-

Question 43

Acetate

Answer 43

C2H3O2 -

Question 44

Cyanide

Answer 44

CN -

Question 45

Carbonate

Answer 45

CO3 2-

Question 46

Bicarbonate

Answer 46

HCO3 -

Question 47

Nitrate

Answer 47

NO3 -

Question 48

Nitrite

Answer 48

NO2 -

Question 49

Sulfate

Answer 49

SO4 2-

Question 50

Sulfite

Answer 50

SO3 2-

Question 51

Hydrogen sulfate

Answer 51

HSO4 -

Question 52

Phosphate

Answer 52

PO4 3-

Question 53

Hydrogen phosphate

Answer 53

HPO4 2-

Question 54

Dihydrogen phosphate

Answer 54

H2PO4 -

Question 55

Perchlorate

Answer 55

ClO4 -

Question 56

Chlorate

Answer 56

ClO3 -

Question 57

Chlorite

Answer 57

ClO2 -

Question 58

Hypochlorite

Answer 58

ClO -

Question 59

Chromate

Answer 59

CrO4 2-

Question 60

Dichromate

Answer 60

Cr2O7 2-

Question 61

Permanganate

Answer 61

MnO4 -

Question 62

Oxalate

Answer 62

C2O4 2-

Question 63

Thiosulfate

Answer 63

S2O3 2-

Question 64

Compounds that consist of discrete, neutral molecules that results when atoms share electrons through covalent bonds

Answer 64

Molecular Compounds

Question 65

Compounds that often exist as gases, low-boiling liquids and low-melting solids

Answer 65

Molecular Compounds

Question 66

Compounds that often exist as solids that have high boiling and melting points

Answer 66

Ionic Compounds

Question 67

Compounds that formed between two nonmetals

Answer 67

Molecular Compounds

Question 68

Nomenclature for Binary Molecular Compounds

Answer 68

more metallic element first and more nonmetallic element second add numerical prefixes to both elements (except mono in the more metallic element) Change ending of more nonmetallic element to "-ide"

Question 69

compounds that comprised of hydrogen and one other nonmetallic element in aqueous state

Answer 69

Binary Acids

Question 70

Nomenclature for Binary Acids (aq)

Answer 70

"hydro-" prefix other nonmetallic element with "-ide" suffix and the word "acid"

Question 71

Nomenclature for Binary Acids (s)

Answer 71

the word "hydrogen" | change ending of nonmetallic element to "-ide"

Question 72

Compounds that contain hydrogen, oxygen and at least one other element bonded in a way that it impart acidic properties to the compound

Answer 72

Oxyacids

Question 73

Compounds that typically consist of hydrogen combined with a polyatomic ion containing oxygen

Answer 73

Oxyacids

Question 74

Nomenclature for Oxyacids

Answer 74

No "hydrogen" word start with root name of anion and replace ending for "-ate" to "-ic" and for "-ite" with "-ous" add the word "acid"

Question 75

Nomenclature for Oxyacids with more than 2 ternary acids

Answer 75

No "hydrogen" word start with root name of anion and replace ending for highest number of atom, "per-" and "-ic" ; "-ic" ; "ous" ; "hypo-" and "-ous" for lowest number of atom add the word "acid"