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Science Unit 1 > Pg 21-40 > Flashcards

Pg 21-40 Flashcards

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1
Q

The chemical formula that represents vanadium (V) hydroxide is?
1. V(OH)5(aq)
2. V5(OH)5 (aq)
3.VOH (aq)
3. V50H (aq)

A

V(OH)5(aq)

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2
Q

The name of the chemical compound
Ca3N2 (s) is
1. calcium nitrite
2. calcium nitrate
3. calcium nitride
4. tricalcium dinitride

A

Calcium nitride

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3
Q

The chemical formula that represents magnesium sulfate is
MgSO3 (s)
MgS04(s)
MgS (s)
Mg2(SO4)2 (s)

A

MgSO4 (s)

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4
Q

The chemical formula that represents elemental hydrogen is

A

H2(g)

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5
Q

The name of the chemical compound MnS2 (s) is

A

manganese (iv) sulfide

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6
Q

The name of the chemical compound HgSiO3 (s)

A

Phosphoric acid

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7
Q

The chemical formula that represents glucose is

A

C6H1206 (s)

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8
Q

The name of the chemical compound C3H8 (g)

A

Propane

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9
Q

The chemical formula that represents hydrosulfuric
acid is

A

H2S (aq)

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10
Q

The chemical formula that represents ammonium hydroxide Is

A

NH4OH (aq)

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11
Q

Atoms form compounds so it may require a valence energy level like that of the closest noble gas. List the three ways this can occur

A

Metallic atoms will give up electrons to other atoms forming cations
Non metallic atoms will tend to accept electrons from other atoms forming
anions
Non metallic atoms may share electrons with each other

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12
Q

Ionic compounds are composed of ______

A

Ions

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13
Q

What is crystal lattice

A

Regular repeating pattern of ions in a ionic compound

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14
Q

What is molecular and ionic?

A

lonic are a non metal and a metal while molecular is two non metals

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15
Q

What is the formula for magnesium plus bromine

A

MgBr2

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16
Q

What is the formula for lithium chloride

A

LiCI

17
Q

Naming ionic compounds what is the name of Bal2 (s)

A

Barium iodide

18
Q

How many atoms in magnesium

A

1

19
Q

are binary compounds form this list
HCI
503
MgCO3
Hydrogen sulfide
Sodium bicarbonate

A

HCI, hydrogen sulfide

20
Q

Is sodium sulfide ionic or molecular

A

Ionic

21
Q

Is cation negative or positive

A

Positive

22
Q

What is the formula and name of silver and iodine

A

Silver iodide and the formula is Agl (s)

23
Q

Ni+2

A

Nickel (II)

24
Q

Write formula for Iron (Il)
hydroxide

A

Fe (OH)2 (s)

25
Q

What is the name of AlCI3

A

Aluminum chloride

26
Q

Nitrogen trichloride

A

N3CI

27
Q

From what numbers are considered bases

A

7 and up

28
Q

Why does ice float in water

A

Ice is less dense then water so it floats but something that is more dense then water will sink to the bottom

29
Q

Water id the only substance on earth that exists in ______ in all ______ states

A

Solids liquids and gases, three

Science Unit 1 (3 decks)

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