The Periodic Table Flashcards

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1
Q

Atoms of each element can be represented as what?

A

One or two letter symbols.

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2
Q

What is
C
O
Mg

A

Carbon.
Oxygen.
Magnesium.

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3
Q

What is
Na.
Fe.
Pb

A

Sodium.
Iron.
Lead.

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4
Q

The periodic table does what?

A

Arranges elements with similar properties together.

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5
Q

Elements of similar properties form what?

A

Columns.

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6
Q

What are the vertical columns called?

A

Groups

Roman numerals often used for them.

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7
Q

All of the elements within a group have what?

A

Same number of electrons in their outer shell.

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8
Q

Name the group 1 elements.

A
Lithium.
Sodium.
Potassium.
Rubidium.
Caesium.
Francium.
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9
Q

Metals in group 1 can do what?

A

React with water to form an alkaline solution and hydrogen gas.

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10
Q

Metals in group 1 react with oxygen to form what?

A

An oxide.

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11
Q

The nobles gases…

A

Group 0.

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12
Q

Name 3 noble gases.

A

Helium.
Neon.
Argon.

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13
Q

How many electrons do the elements in group 0 have?

A

8 in their outer shell.

Except helium which only has 2.

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14
Q

Group 0 elements are described as being what?

A

Stable.

Unreactive.

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15
Q

The top number when looking at an element on the periodic table is called what?

A

Mass number.

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16
Q

What is the mass number?

A

Total number of protons and neutrons.

17
Q

The bottom number when looking at an element on the periodic table is called what?

A

Atomic number.

18
Q

What is the atomic number?

A

Number of protons.

Also tells you the number of electrons.

19
Q

How would you find the amount of neutrons in an atom?

A

Subtract the atomic number from the mass number.

20
Q

Metals located on the left of the periodic table?

A

Reactive metals.

21
Q

Metals located within the middle of the periodic table?

A

Transition metals.

22
Q

The metals towards the right of the periodic table?

A

Non-metals.

23
Q

Metals on the very right of the periodic table?

A

Noble gases.