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Unit 2 - Trends on the Periodic Table

Authored by Elisabeth Blush

Chemistry

10th Grade

Used 16+ times

Unit 2 - Trends on the Periodic Table
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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NEW INFO: Why did Mendeleev organize his periodic table according to the atomic mass (instead of by atomic number)?

He thought atomic mass was better!

Atomic number had not been discovered.

He did not want to organize them by atomic number.

Who is Mendeleev?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Where are valence electrons located?

outermost shell

in the nucleus

first shell

They don't exist.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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How many valence electrons are in Group 2 elements?

3 valence electrons

4 valence electrons

2 valence electrons

1 valence electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Group 1 elements are called

Alkali Metals

Noble gases

Halogens

Transition Metals

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Group 7A elements are called

Alkaline Earth Metals

Halogens

Transition Metals

Noble Gases

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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A column of elements on the periodic table is called a ________ or family.

Row

Group

Column

Period

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Elements of the same group have a similar number of what?

protons

electrons

atomic pressures

valence electrons

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