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Gen Chem Prelims > NAMING AND WRITING FORMULAS > Flashcards

NAMING AND WRITING FORMULAS Flashcards

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1
Q

COVALENT
COMPOUNDS are also known as

A

Molecular compounds

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2
Q

GENERAL RULES in naming and writing formulas of covalent compounds

A
  1. First word is spelled out in its full element name
  2. name of the second word would use the suffix –ide

3.

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3
Q

nitrogen monoxide or mononitrogen monoxide

A

nitrogen monoxide

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4
Q

carbon monoxide or carbon monooxide

A

carbon monoxide

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5
Q

mono

A

1

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6
Q

di

A

2

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7
Q

tri

A

3

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8
Q

tetra

A

5

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9
Q

penta

A

5

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10
Q

hexa

A

6

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11
Q

hepta

A

7

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12
Q

octa

A

8

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13
Q

nona

A

9

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14
Q

deca

A

10

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15
Q

Chemical reactions occur when atoms gain, lose, or ____ electrons

A

share

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16
Q

true or false

Sharing electrons creates a covalent bond

A

true

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17
Q

true or false

Sharing electrons creates an ionic bond

A

false

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18
Q

Nonmetals can _______ electrons to
form a covalent bond.
This creates a ___________.

A

Nonmetals can share electrons to
form a covalent bond.
This creates a molecule.

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19
Q

what creates a molecule

A

when nonmetals can share electrons to form a covalent bond

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20
Q

true or false

Because hydrogen only has 1 proton and 1 electron,
it behaves differently than any other element on
the periodic table of elements.

A

true

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21
Q

true or false

Because hydrogen only has 3 protons and 1 electron,
it behaves differently than any other element on
the periodic table of elements.

A

false

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22
Q

what can hydrogen donate

A

1 electron

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23
Q

what can hydrogen gain

A

1 electron

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24
Q

true or false

hydrogen can share electrons

A

true

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25
Q

true or false

hydrogen cannot share electrons

A

false

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26
Q

what makes hydrogen act as either a metal or nonmetal

A

Because hydrogen only has 1 proton and 1 electron and Hydrogen can
share electrons

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27
Q

What are the 7 elements that exist as diatomic molecules?

A

H2
N2
O2
F2
Cl2
Br2
I2

28
Q

true or false

Nonmetals can share electrons in many different ways

A

true

29
Q

true or false

Nonmetals cannot share electrons

A

false

30
Q

why can two nonmetals create multiple compounds together

A

because nonmetals can share electrons in many different
ways

31
Q

name this

N2O4

A

dinitrogen nitrogen tetroxide

32
Q

Steps for Naming
Binary Covalent Compounds

A
  1. Write the name of the first nonmetal
  2. Write the name of the second nonmetal changing its ending to -ide.
  3. Add prefixes to specify how many of
    each element are present
33
Q

GENERAL RULES WHEN NAMING AND WRITING FORMULAS OF IONIC COMPOUNDS

A
  1. The metal’s full name is used as the name for the cation, and is written first.
  2. nonmetal’s name is used for the anion’s name, and is written
    second.
  3. Anions name will serve as the root word, modified by adding the
    suffix “–ide”
34
Q

Chemical reactions occur when atoms
__________

A

gain, lose, or share electrons.

35
Q

Nonmetals _____________ electrons. This gives them a ____ charge.
Negative ions are called ___________.

A

Nonmetals GAIN/ ACCEPT electrons.
This gives them a NEGATIVE charge.
Negative ions are called ANIONS.

36
Q

Metals ________________ electrons. This gives them a ____ charge.
Positive ions are called ___________

A

Metals LOSE/ DONATE electrons. This gives them a POSITIVE charge.
Positive ions are called CATIONS

37
Q

charge of an ion from left to right

A

+1
+2
III
IV
V
VI
VII
VIII
VIII
VIII
I
II
+3
+4 or -4
-3
-2
-1
0

38
Q

predict the charge of its most common ion using the periodic table

P

A

-3

39
Q

predict the charge of its most common ion using the periodic table

Na

A

+1

40
Q

predict the charge of its most common ion using the periodic table

S

A

-2

41
Q

predict the charge of its most common ion using the periodic table

Ne

A

0

42
Q

predict the charge of its most common ion using the periodic table

Mg

A

+2

43
Q

predict the charge of its most common ion using the periodic table

K

A

+1

44
Q

predict the charge of its most common ion using the periodic table

Ca

A

+2

45
Q

predict the charge of its most common ion using the periodic table

Br

A

-1

46
Q

predict the charge of its most common ion using the periodic table

N

A

-3

47
Q

predict the charge of its most common ion using the periodic table

Be

A

+2

48
Q

predict the charge of its most common ion using the periodic table

O

A

-2

49
Q

predict the charge of its most common ion using the periodic table

Cs

A

+1

50
Q

predict the charge of its most common ion using the periodic table

I

A

-1

51
Q

predict the charge of its most common ion using the periodic table

Li

A

+1

52
Q

predict the charge of its most common ion using the periodic table

Cl

A

-1

53
Q

predict the charge of its most common ion using the periodic table

He

A

0

54
Q

predict the charge of its most common ion using the periodic table

F

A

-1

55
Q

predict the charge of its most common ion using the periodic table

Xe

A

0

56
Q

what happens to metals when they LOSE electrons

A

they become ions but their names doesn’t change

57
Q

what happens to nonmetals they GAIN electrons

A

the become ions and their name changes

58
Q

Rules for Naming Ions

A
  1. The names of metals do not change.
  2. for nonmetals:
    root of element name + -ide = name of
    ion
59
Q

Rules for Naming Ions

chlorine will become

A

chloride

60
Q

Rules for Naming Ions

nitrogen will become

A

nitride

61
Q

Rules for Naming Ions

calcium will become

A

calciu

62
Q

Rules for Naming Ions

oxygen will become

A

oxide

63
Q

Rules for Naming Ions

aluminum will become

A

aluminum

64
Q

Rules for Naming Ions

sulfur will become

A

sulfide

65
Q

Rules for Naming Ions

potassium will become

A

potassium

66
Q

Rules for Naming Ions

potassium will become

A

potassium

Gen Chem Prelims (14 decks)

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