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Lilah: Grade 10 Science > Periodic Table Slideshow > Flashcards

Periodic Table Slideshow Flashcards

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1
Q

Whose smirk is this?

Clue: I made the PERIODIC TABLE!

A

Hi, I am Dmitri Mendeleev!

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2
Q

What is the PERIODIC TABLE? (List 2)

A
  1. Shows all known elements in the universe.
  2. It organizes the elements by chemical properties.
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3
Q

How did Dmitri Mendeleev initially arrange the elements in the periodic table?

A

Mendeleev initially arranged the elements by increasing atomic mass.

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4
Q

Who created the first version of the periodic table?

A

Dmitri Mendeleev created the first version of the periodic table.

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5
Q

Why was the periodic table changed from using atomic mass to atomic number?

A

It made the elements fit better with their properties.

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6
Q

What does the atomic number of an element represent?

A

The atomic number represents the number of protons in an atom of the element.

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7
Q

Mendeleev arranged the elements by atomic mass
But he noticed there was something still not quite right about it.

How is it arranged now?

A

Now it is arranged by atomic numbers!

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8
Q

Which is the atomic number?

A

A

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9
Q

What is the ATOMIC NUMBER?

A

The number of protons found in the nucleus of an atom.

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10
Q

What are atoms with extra electrons or missing electrons called?

A

Ions

A (+) charge means that you are missing an electron and a (-) charge means that you have an extra electron.

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11
Q

In a neutral atom, what does the atomic number tell you besides the number of protons?

A

In a neutral atom, the atomic number also tells you the number of electrons.

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12
Q

What is the SYMBOL?

A

An abbreviation of the element name.

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13
Q

Which is the symbol?

A

B

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14
Q

What is the ATOMIC WEIGHT?

A

The number of protons and neutrons in the nucleus of an atom.

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15
Q

Which is the atomic weight?

A

D

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16
Q

How do you find the number of protons in an element using the periodic table?

A

of PROTONS = ATOMIC NUMBER

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17
Q

How do you find the number of electrons in an element using the periodic table?

A

of ELECTRONS = # PROTONS (neutral)

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18
Q

How do you find the number of neutrons in an element using the periodic table?

A

of NEUTRONS = Mass - ATOMIC NUMBER

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19
Q

The periodic table is divided into rows and columns.

Vertical columns are called?

A

Groups

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20
Q

How many groups are there on the periodic table?

A

18

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21
Q

The periodic table is divided into rows and columns.

What are the horizontal rows called?

A

Periods

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22
Q

How many periods are there on the periodic table?

A

There are 7 periods

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23
Q

What are the elements in Group 1 of the periodic table called?

A

Alkali Metals

24
Q

What are the elements in Group 2 of the periodic table called?

A

Alkaline Earth Metals

25
Q

What are the elements in Groups 3-12 of the periodic table called?

A

Transition Metals

26
Q

What are the elements in Group 17 of the periodic table called?

A

Halogens

27
Q

What are the elements in Group 18 of the periodic table called?

A

Noble Gases

28
Q

What group is this on the periodic table

A

Group 18, Noble Gases

29
Q

What group is this on the periodic table?

A

Groups 3-12, Transition Metals

30
Q

What group is this on the periodic table?

A

Group 1, Alkali Metals

31
Q

What group is this on the periodic table?

A

Group 17, Halogens

32
Q

What group is this on the periodic table?

A

Group 2, Alkaline Earth Metals

33
Q

What group is this on the periodic table?

A

Actinide Series of Metals

34
Q

What group is this on the periodic table?

A

Lanthanide Series of Metals

35
Q

What is found to the left of the staircase?.

A

Metals

36
Q

What is found to the right of the staircase?

A

Non-metals

37
Q

Right on the staircase there are elements that have both metallic and non-metallic properties.

What are these called?

A

Metalloids

38
Q

Can you see the stair case in this table?

Label A, B and C

A

A. Metals

B. Non Metals

C. Metalloids

39
Q

Do metals conduct electricity?

A

Yes

40
Q

What does it mean when a metal is malleable?

A

It can be pounded into a thin sheet.

41
Q

What is the state of most metals at room temperature?

A

Solid, except for mercury (Hg).

42
Q

What does it mean when a metal is ductile?

A

It can be drawn into wires.

43
Q

What are 4 properties of metals?

A
  1. Conduct electricity
  2. Malleable
  3. Ductile
  4. Solid at room temperature - except for Mercury (Hg)
44
Q

What is the only metal that is not solid at room temperture?

A

Mercury (Hg)

45
Q

What are 4 properties of non-metals?

A
  1. Does not conduct electricity
  2. Brittle if solid
  3. Non-ductile (cannot be drawn into wires)
  4. Solids, liquids or gases at room temperature.
46
Q

What are the properties of Metalloids?

A

Have both metallic and non-metallic properties.

47
Q

Silicon conducts electricity but is otherwise like non-metals.

Is it:

A. Metal
B. Non-metal
C. Metalloid

A

C. Metalloid

48
Q

Includes elements: B, Si, Ge, As, Sb, Te, At, Po

Is it:

A. Metal
B. Non-metal
C. Metalloid

A

C. Metalloid

49
Q

An element that has both metallic and non-metallic properties are:

A. Metal
B. Non-metal
C. Metalloid

A

C. Metalloid

50
Q

An element that does not conduct electricity is a:

A. Metal
B. Non-metal

A

B. Non-metal

51
Q

An element that is malleable and can be pounded into a thin sheet, is a:

A. Metal
B. Non-metal

A

A. Metal

52
Q

An element that is ductile and can be drawn into wires, is a:

A. Metal
B. Non-metal

A

A. Metal

53
Q

An element that can conduct electricity is a:

A. Metal
B. Non-metal

A

A. Metal

54
Q

True or false

Non-metals can be solids, liquids or gases at room temperature.

A

True

55
Q

Fill in the blank with the special group name:

______________ on the bottom called Lanthanides and Actinides

A

The Inner transition Metals

56
Q

What 8 elements are classified as Metalloids?

A
  1. B - Boron
  2. Si - Silicon
  3. Ge - Germanium
  4. As - Arsenic
  5. Sb - Antimony
  6. Te - Tellurium
  7. At - Astatine
  8. Po - Polonium
57
Q

How many Metalloids are there?

A

8

Lilah: Grade 10 Science (5 decks)

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