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Grade 10 Science > Chemistry > Flashcards

Chemistry Flashcards

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1
Q

What is Fe?

A

Iron

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2
Q

What is Ca?

A

Calcium

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3
Q

What is Ag?

A

Silver

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4
Q

What is He?

A

Helium

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5
Q

What is C?

A

Carbon

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6
Q

What is Li?

A

Lithium

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7
Q

What is Cu?

A

Copper

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8
Q

What is Pb?

A

Lead

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9
Q

What is S?

A

Sulphur

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10
Q

What is Cl?

A

Chlorine

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11
Q

What is Mg?

A

Magnesium

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12
Q

What is H?

A

Hydrogen

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13
Q

What is Hg?

A

Mercury

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14
Q

What is P?

A

Phosphorus

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15
Q

What is O?

A

Oxygen

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16
Q

What is Ar?

A

Argon

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17
Q

What is Si?

A

Silicon

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18
Q

What is K?

A

Potassium

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19
Q

What is Au?

A

Gold

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20
Q

What is N?

A

Nitrogen

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21
Q

What is B?

A

Boron

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22
Q

What is Al?

A

Aluminum

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23
Q

What is Zn?

A

Zinc

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24
Q

What is Be?

A

Beryllium

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25
Q

What is Na?

A

Sodium

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26
Q

What is Ni?

A

Nickel

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27
Q

What is F?

A

Fluorine

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28
Q

What is As?

A

Arsenic

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29
Q

What is Sb?

A

Antimony

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30
Q

What is Sn?

A

Tin

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31
Q

What is Cr?

A

Chromium

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32
Q

What is Mn?

A

Manganese

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33
Q

What is Ne?

A

Neon

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34
Q

What is Br?

A

Bromine

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35
Q

What are valence electrons?

A

The outer shell of electrons

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36
Q

What do valence electrons determine?

A

How an atom will chemically react

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37
Q

How do you draw a Lewis-dot diagram?

A
  1. Write the element symbol
  2. Look at the group number of the element to see how many valence electrons it has.
  3. Draw the electrons using the around the clock rule
38
Q

What are the horizontal rows in the periodic table?

A

Periods

39
Q

What are the vertical columns in the periodic table?

A

Groups

40
Q

What is a physical property?

A

A characteristic observed with your senses

41
Q

What is a chemical property?

A

A characteristic behavior observed when a new substance is formed

42
Q

What is a physical change?

A

A change in form or state. No new substance is formed

43
Q

What is a chemical change?

A

A new substance is formed

44
Q

Name some physical properties

A

State of matter, hardness, melting point, color, solubility, clarity, viscosity, boiling point

45
Q

Name some chemical changes

A

bubbles forming, precipitate forming, heat being produced, color might change, light might be produced

46
Q

Is solubility a physical or chemical property?

A

Physical

47
Q

Physical or chemical property: sour taste

A

physical

48
Q

Physical or chemical property: reaction with acid

A

chemical

49
Q

Physical or chemical property: boiling point

A

physical

50
Q

Physical or chemical property: density

A

physical

51
Q

Physical or chemical property: reacts with water

A

Chemical

52
Q

Physical or chemical property: supports combustion

A

chemical

53
Q

Physical or chemical change: an apple being cut

A

physical

54
Q

Physical or chemical change: silver tarnishing

A

chemical

55
Q

Physical or chemical change: food digesting

A

chemical

56
Q

Physical or chemical change: alcohol evaporating

A

physical

57
Q

Physical or chemical change: sugar dissolves in water

A

physical

58
Q

Physical or chemical change: wood rotting

A

chemical

59
Q

Physical or chemical change: ice melting

A

physical

60
Q

What is the definition of matter?

A

Anything that has mass and takes up space

61
Q

What are elements?

A

Things that are made of only one kind of atoms and cannot be broken down into simpler substances

62
Q

What are compounds?

A

Contains 2 or more elements in a fixed proportion

63
Q

What is an ionic compound?

A

Its a compound formed between a metal and non-metal to fill a valence shell.

64
Q

How do you write formulas for ionic compounds?

A
  1. Write the symbols of the elements
  2. Write their ionic charges
  3. Criss-cross the charges
  4. Write the formulas in full
65
Q

What are molecular compounds?

A

One or more non-metals forming a full valence shells by sharing electrons with other non-metals.

66
Q

What does the prefix “mono” mean?

A

One atom

67
Q

What does the prefix “di” mean?

A

Two atoms

68
Q

What does the prefix “tri” mean?

A

Three atoms

69
Q

What does the prefix “tetra” mean?

A

Four atoms

70
Q

What does the prefix “penta” mean?

A

Five atoms

71
Q

What does the prefix “hexa” mean?

A

Six atoms

72
Q

What does the prefix “hepta” mean?

A

Seven atoms

73
Q

What does the prefix “octa” mean?

A

Eight atoms

74
Q

What does the prefix “nona” mean?

A

Nine atoms

75
Q

What does the prefix “dec” mean?

A

Ten atoms

76
Q

How do you write molecular formulas?

A
  1. Write the symbols of the elements
  2. Write the subscript for the number of atoms represented by the prefix
77
Q

How do you write the names of the formulas?

A
  1. Write the elements names
  2. Change the ending of the second element to “ide”
  3. Use the subscript number to determine the prefix
78
Q

What are Polyatomic ions?

A

Groups of atoms that stay together and carry an overall atomic charge.

79
Q

How do you write polyatomic formulas?

A
  1. Write the elements symbols ( metal first, then polyatomic)
  2. Write the valence charge for each
  3. Criss-cross the charges
80
Q
A
81
Q

If there is just a symbol of an element, how many atoms of that element are there?

A

One atom

82
Q

What is a subscript?

A

A number written beside an element that shows you how many atoms of that element are in the molecule.

83
Q

What is a co- efficient?

A

A co efficient is a number written in front of a chemical formula to show the number of molecules of a compound. Also multiplies the atoms.

84
Q

How many atoms are there in this compound?
Ba(PO4)2

A

1 barium atom, 2 phosphorus atoms, 8 oxygen atoms

85
Q

How many atoms are in this compound?
3 NaCN

A

3 sodium, 3 carbon, 3 nitrogen

86
Q

How many atoms are in this compound?
2 Ca(NO3)2

A

2 calcium, 4 nitrogen, 6 oxygen

87
Q

How do you write skeleton equations?

A

You just need to turn the word equations into numbers and symbols

88
Q

What would the word and skeleton equations for this reaction look like?
Aluminum resists corrosion because it reacts with oxygen gas in air to form a protective coating of aluminum oxide.

A

word: Aluminum + oxygen -> aluminum oxide
Skeleton: Al + O -> AL203
(remember that aluminum and oxygen’s charges change)

89
Q
A
90
Q

Write the skeleton equation for this reaction?
Cesium + Calcium chloride ▶️ Cesium chloride + calcium

A

Cs + CaCl2 ▶️ CsCl + Ca

91
Q

Write the skeleton for this reaction?
Aluminum chloride + sodium carbonate ▶️ aluminum carbonate + sodium chloride

A

AlCl3 + NaC ▶️ Al(CO3)3 + NaCl

Grade 10 Science (4 decks)

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