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Physical Science > Chemistry > Flashcards

Chemistry Flashcards

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1
Q

What is an atom

A

The smallest building block of matter

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2
Q

What is an atom made up of

A

Protons, neutrons, electrons

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3
Q

What is in the nucleus of an atom

A

Protons and neutrons

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4
Q

What is an element

A

A pure substance that consists of only one type of atom

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5
Q

What is a compound

A

A pure substance that consists of two or more different types of atom

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6
Q

What are the first 20 elements of the periodic table

A

Hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, Argon, potassium, calcium

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7
Q

What are the seven diatomic molecules

A

Hydrogen, nitrogen, oxygen, fluorine, bromine, iodine, chlorine

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8
Q

What do we follow when naming compounds

A

We write the name of the metal or hydrogen first, then we add -ide -ate or -ite depending on number of elements

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9
Q

What is a molecule

A

A combination of two or more atoms

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10
Q

What is the formula for copper sulfate

A

CuSO4

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11
Q

Write down the chemical formula for magnesium nitrate

A

Mg(NO3)2

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12
Q

What is the chemical formula for iron oxide

A

Fe2O3

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13
Q

What is the formula for hydrogen sulfide

A

H2S

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14
Q

What is the formula for hydrogen nitride

A

H3N

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15
Q

What is the formula for sodium sulfate

A

Na2SO4

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16
Q

What is SO4

A

Sulfate

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17
Q

What is the formula for calcium carbonate

A

CaCO3

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18
Q

What is the chemical name for OH

A

Hydroxide

19
Q

What is the chemical name of NO2

A

Nitrogen dioxide

20
Q

What is the chemical name for N2O4

A

Dinitrogen tetroxide

21
Q

What is the chemical name for SO2

A

Sulphur dioxide

22
Q

What is the chemical name for SO3

A

Sulphur trioxide

23
Q

What is the formula for magnesium fluoride

A

MgF2

24
Q

What is the formula for calcium chloride

A

CaCl2

25
Q

What is the formula for copper nitride

A

Cu3N2

26
Q

What is the formula for calcium hydroxide

A

Ca(OH)2

27
Q

What is the chemical and common name for H2O

A

Hydrogen oxide and water

28
Q

What is the chemical and common name for NH3

A

Hydrogen nitride and ammonia

29
Q

What is the chemical and common name for CH4

A

Methane and natural gas

30
Q

What is the chemical and common name for HCl

A

Hydrogen chloride and hydrochloric acid

31
Q

What is the chemical and common name for H2SO4

A

Hydrogen sulfate and sulfuric acid

32
Q

What is the chemical and common name for HNO3

A

Hydrogen nitrate and nitric acid

33
Q

What is the chemical and common name for NACl

A

Sodium chloride and table salt

34
Q

What is the chemical and common name for H2CO3

A

Hydrogen carbonate and carbonic acid

35
Q

What is the chemical and common name for KOH

A

Potassium hydroxide and caustic potash

36
Q

What is the chemical and common name for NAOH

A

Sodium hydroxide and caustic soda

37
Q

What is the chemical and common name for Ca(OH)2

A

Calcium hydroxide and hydrated lime

38
Q

What is the chemical and common name for NaHCO3

A

Sodium hydrogen carbonate and bicarbonate of soda

39
Q

What is the chemical and common name for MgSO4

A

Magnesium sulfate and epsom salt

40
Q

What is the chemical and common name for KNO3

A

Potassium nitrate and saltpeter

41
Q

What is the chemical and common name for CuSO4

A

Copper sulfate and blue vitrol

42
Q

What can We tell from the formula of a substance eg H2O

A
  • the ratio the substances bond in
  • whether compound or element
  • the different substances
  • elements and compounds are pure substance
  • name of compound or element
43
Q

What does stock notation refer to in a formula

A

The valency of the transitional metal

44
Q

What is the valency of transitional metals

A

Silver (Ag) - 1+
Cr, Fe, Co - 3+ or 2+
Rest - 2+

Physical Science (29 decks)

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