3. Periodic Table

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14 Terms

1
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What organizes elements by atomic number and chemical properties?

The periodic table.

2
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In the structure of the periodic table, what are the rows called?

Periods.

3
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In the structure of the periodic table, what are the columns called?

Groups.

4
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What trend in electronegativity occurs across a period?

Electronegativity increases.

5
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What trend in ionization energy occurs down a group?

Ionization energy decreases.

6
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What trend occurs to atomic size as you move across a period?

Atomic size decreases.

7
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What happens to atomic size as you move down a group?

Atomic size increases.

8
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What is the periodic table?
Organizes elements by atomic number and chemical properties.
9
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What are periods?
The rows in the periodic table.
10
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What are groups?
The columns in the periodic table.
11
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What happens to electronegativity across a period?
It increases.
12
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What happens to ionization energy down a group?
It decreases.
13
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What happens to atomic size across a period?
It decreases.
14
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What happens to atomic size down a group?
It increases.