AI flashcards for AS,E&C

(14 cards)

1
Q

What do elements with the same number of electrons in the outer shell do?

A

They react in similar ways

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2
Q

Why do elements react to get a full outer shell?

A

To achieve stability with 8 electrons

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3
Q

What is always plotted on the shells?

A

The atomic number

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4
Q

What characterizes Group I elements like lithium or sodium?

A

They have one electron in the outer shell and are very reactive

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5
Q

What characterizes Group 7 elements like fluorine or chlorine?

A

They have seven electrons in the outer shell and are very reactive

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6
Q

Where are metals located on the periodic table?

A

On the left-hand side

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7
Q

Where are non-metals located on the periodic table?

A

On the right-hand side

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8
Q

Where are semi-metals located on the periodic table?

A

In the middle

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9
Q

List three properties of metals.

A
  • Dense
  • Shiny
  • Strong
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10
Q

List three properties of non-metals.

A
  • Dull
  • Soft
  • Brittle
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11
Q

What type of conductors are metals?

A

Conductors of heat

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12
Q

What type of conductors are non-metals?

A

Insulators of heat

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13
Q

Fill in the blank: Metals are generally _____ and ductile.

A

[hard]

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14
Q

Fill in the blank: Non-metals have _____ density and low melting boiling points.

A

[low]

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