Periodic Table Flashcards

1
Q

Periodic Law

A

The law that states that when elements are organized by atomic number, they show a periodic repetition of properties

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2
Q

Group

A

The columns of the periodic table

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3
Q

Periods

A

The rows of a periodic table

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4
Q

Allotropes

A

The different forms of a element

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5
Q

What are the different properties of a metal?

A

Malleable, good conductors of heat & electricity, ductile, solid at room temperature (except for mercury), and lustrous in their pure form

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6
Q

What are the different properties of a nonmetal?

A

Brittle, bad conductors of heat & electricity, and not lusterous

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7
Q

What are the different properties of a metalloid?

A

Properties depend on the conditions

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8
Q

Where are the alkali metals located?

A

Group 1A

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9
Q

Where are the alkaline earth metals located?

A

Group 2A

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10
Q

Where are the halogens located?

A

Group 7A

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11
Q

Where are the noble gasses located?

A

Group 8A

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12
Q

What does malleable mean?

A

Able to be shaped with a hammer

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13
Q

What does ductile mean?

A

Able to be twisted into a wire

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14
Q

What does lustrous mean?

A

Shiny

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15
Q

What are valence electrons?

A

Electrons located in the outermost shell of an atom

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16
Q

What does electronegativity mean?

A

How strongly an atom attracts electrons when its in a compound

17
Q

What does ionization energy mean?

A

The amount of energy needed to remove an electron from its atom

18
Q

What does atomic radius mean?

A

Half of the distance between two nuclei of two atoms of the same element when they are joined together

19
Q

What does ion mean?

A

A charged atom

20
Q

What does cation mean?

A

A positively charged atom

21
Q

What does anion mean?

A

A negatively charged atom

22
Q

What is electrolysis used for?

A

Splitting a compound up into atoms

23
Q

Where are the transition metals located?

A

d-block, B group

24
Q

Where are the inner transition metals located?

A

f-block and actinides and lanthinides

25
What does inert mean?
Not chemically reactive
26
What is the most important element for modern life?
Silicon
27
How do anions form?
An atom gains an electron
28
How do cations form?
An atom loses an electron
29
Does first ionization energy increase or decrease as you move left to right in a period? How about as you move down a group?
Increase; decrease
30
Does atomic radius increase or decrease as you move left to right in a period? How about as you move down a group?
Decrease; increase
31
Does electronegativity increase or decrease as you move left to right in a period? How about as you move down a group?
Increase; decrease
32
Does ionic size increase or decrease as you move left to right in a period? How about as you move down a group?
Ionic size depends on if the ion is a metal or not, if it is a metal ion then it will generally be smaller, if it is a nonmetal then it will generally be smaller.