Chemical Nomenclature

Question 1

the charge that an atom has or appears to have when certain arbitrary rules are applied

Answer 1

Oxidation Number/ Oxidation State

Question 2

oxidation numbers are useful in identifying atoms that are…

Answer 2

oxidized or reduced

Question 3

loss of electrons

Answer 3

oxidized

Question 4

gain of electrons

Answer 4

reduced

Question 5

Based on the first rule, when will any element have an oxidation number of zero

Answer 5

free state

Question 6

Based on the second rule, what generally haves positive oxidation numbers

Answer 6

metals

Question 7

Based on the third rule, what is the general oxidation number of hydrogen in a compound or an ion

Answer 7

+1

Question 8

What is the exception to the third rule which has an oxidation number of -1

Answer 8

a metal hydride when hydrogen is second in the formula

Question 9

Based on the fourth rule, the oxidaiton number of ____ in a compound or an ion is generally -2

Answer 9

oxygen

Question 10

What is the exception to the fourth rule

Answer 10

peroxide where it is -1

Question 11

Based on the fifth rule, the oxidation number of monoatomic ion is the same as the charge of an…

Answer 11

ion

Question 12

Based on the sixth rule, the algebraic sum of the oxidation of numbers for all the atoms in a compound must equal…

Answer 12

zero

Question 13

Based on the seventh rule, the algebraic sum of the oxidation numbers for all the atoms in a ______ must equal the charge on the ion

Answer 13

polyatomic ion

Question 14

In the first step of finding the oxidation number for an element within a compound, where should the oxidation number of each known element be written?

Answer 14

below the atom in the formula

Question 15

________ each oxidation number by the number of atoms of that element in the compound.

Answer 15

Multiply

Question 16

Write an equation indicating the ___ of all oxidation numbers in the compound or ion.

Answer 16

Sum

Question 17

Composed of metal cations and non-metal anions, or, polyatomic ions

Answer 17

Ionic Compounds

Question 18

Names and formulas always start with the ______ cation

Answer 18

positively charged

Question 19

Ions are combined in ratios so that the final ionic compound is…

Answer 19

neutral

Question 20

Never use ___ in the names of the ionic compounds

Answer 20

prefixes

Question 21

The cation name is simply combined with the _____ only

Answer 21

anion name

Question 22

If the cation is capable of having more than one possible charge, the _____ is included in the name as a Roman numeral in brackets

Answer 22

cation charge

Question 23

Using Roman numeral to indicate oxidation number

Answer 23

Stock System

Question 24

In writing the formula of a compound the algebraic sum of the oxidation numbers should be equal to…

Answer 24

zero

Question 25

Elements or ions with _____ are written first followed by elements or ions with negative oxidation numbers

Answer 25

positive oxidation numbers

Question 26

Name the metal and change the ending of the nonmetal to -ide

Answer 26

Metal with fixed oxidation state

Question 27

Has two types of atoms

Answer 27

Binary Compounds

Question 28

must determine the oxidation state of cation

Answer 28

Metal with varying oxidation state

Question 29

common name + -ous for ___ oxidation state

Answer 29

lower

Question 30

common name + -ic for ___ oxidation state

Answer 30

higher

Question 31

Hydro + -ic +acid

Answer 31

Binary Acids

Question 32

exceptions to -ide endings

Answer 32

Hydroxides (OH)m Cyanide (CN), Ammonium (NH4+1)

Question 33

HCL

Answer 33

Hydrochloric Acid

Question 34

Composed of non-metal atoms only

Answer 34

Simple Covalent (Molecular) Compounds

Question 35

The more ____ is written first

Answer 35

metallic non-metal

Question 36

prefixes are used in the name to indicate the number of each ___ present

Answer 36

atom

Question 37

____ always leads the formula

Answer 37

H

Question 38

_____ are in the aqueous state

Answer 38

Acids

Question 39

____ are combined in ratios so that the final acid is neutral

Answer 39

Ions

Question 40

The acid name depends on the name of the ___ involved

Answer 40

anion

Question 41

solid substances that also contain water molecules in their crystal structure

Answer 41

Hydrates

Question 42

The number of water molecules for each formula unit is...

Answer 42

fixed

Question 43

the formula is written the same as any other compound, but then we add a __ followed by the number of water molecules per ionic formula unit and the symbol H2O

Answer 43

dot

Question 44

add the word ____ at the end with a Latin prefix to indicate the number of water molecules per ionic formula unit.

Answer 44

hydrate

Question 45

reacts in a fixed way, has a fixed oxidation state

Answer 45

family

Question 46

Family with +1 Oxidation state

Answer 46

1A

Question 47

Family with +2 Oxidation state

Answer 47

2A

Question 48

Family with +3 Oxidation state

Answer 48

3A

Question 49

Family with +- 4 Oxidation state

Answer 49

4A

Question 50

Family with -3 Oxidation state

Answer 50

5A

Question 51

Family with -2 Oxidation state

Answer 51

6A

Question 52

Family with -1 Oxidation state

Answer 52

7A

Question 53

oxidation with (-) means...

Answer 53

to receive

Question 54

oxidation with (+) means...

Answer 54

to give

Question 55

what family has different ways of reacting and varied oxidation states

Answer 55

B Family

Question 56

made up of ONLY 1 ATOM.

Answer 56

Monatomic Cations (+)

Question 57

made up of MORE THAN 1 ATOMS. (e.g., ammonium cation)

Answer 57

Polyatomic Cations (+)

Question 58

made up of ONLY 1 NEGATIVELY CHARGED ATOM

Answer 58

Monatomic Anion (-)

Question 59

made up of MORE THAN 1 NEGATIVELY CHARGED ATOM

Answer 59

Polyatomic Anion (-)

Question 60

polyatomic na may kasamang oxygen anion

Answer 60

Polyatomic Oxyanion