chemistry quiz Flashcards

1
Q

What are metals?

A

Solid, hard, shiny, conductors of heat/electricity, high boiling and melting points

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2
Q

What are non-metals?

A

State varies, dull, brittle, poor conductors, low melting and boiling points

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3
Q

What are metalloids?

A

Semiconductors don’t fit either category

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4
Q

Where are the metals located?

A

To the left of the periodic table

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5
Q

Where are the nonmetals located?

A

To the right of the periodic table

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6
Q

Where are the metalloids located?

A

In between the metals and nonmetals

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7
Q

What are transition metals?

A

They have a moderate range of reactivity and a wide range of properties.

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8
Q

TOF: Transition metals are shiny and
good conductors of heat and electricity

A

True

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9
Q

Do transition metals have higher densities or lower densities?

A

Higher

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10
Q

What metal has 1/2 valence electrons?

A

Transition metals

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11
Q

What are the elements in the middle of the table called and why?

A

Transition because their properties change from metallic to nonmetallic

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12
Q

What group has two nonmetals, two metalloids, and one metal?

A

Nitrogen Group

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13
Q

How many valence electrons do nitrogen groups have?

A

5

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14
Q

What group is slightly less reactive because they have two valence electrons?

A

Alkaline-earth Metals

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15
Q

What are valence electrons?

A

An electron in the highest occupied level on an atom

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16
Q

What are silver colored and denser than Group 1 metals?

A

Alkaline-earth Metals

17
Q

What contains one nonmetal, two metalloids, and two metals?

A

Carbon Group

18
Q

What has four valence electrons?

A

Carbon Group

19
Q

TOF: Noble gases are reactive

A

False

20
Q

What gases are colorless, odorless (when at room temperature), and full of energy?

A

Noble Gases

21
Q

How many valence electrons do noble gases have?

A

8

22
Q

Which noble gas does not have 8 valence electrons?

A

Helium (it has 2)

23
Q

Which element does not match the properties of any other group so it stands alone?

A

Hydrogen

24
Q

TOF: Hydrogen is very reactive, colorless, and odorless

A

True

25
Q

What contains metalloids and 4 metals?

A

The Boron Group

26
Q

How many valence electrons does the Boron Group have?

A

3

27
Q

What metal was taken out of the table and placed at the bottom so the periodic table wouldn’t be so wide?

A

Lanthanides and Actinides

28
Q

The vertical columns on the periodic table are called ___________

A

Groups

29
Q

The elements on the right side of the P.T. are classified as _____________

A

Nonmetals

30
Q

The elements on the left side of the P.T. are classified as _______________

A

Metals

31
Q

Elements of the same ___________ have the same number of valence electrons, which determines the element’s chemical properties

A

Group

32
Q

The horizontal rows of the P.T. are called ___________

A

Periods

33
Q

What metals are extremely overreactive and only have 1 valence electron?

A

Alkali metals

34
Q

Describe an Alkali Metal

A

Shiny, silver, soft and can be cut with a knife

35
Q

What contains three nonmetals, one metalloid, and one metal (and 6 valence electrons)?

A

The Oxygen Group

36
Q

TOF: The Oxygen Group is not a reactive group

A

False

37
Q
A