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Elements and the Periodic Table

Authored by Melissa Smith

Chemistry

8th - 12th Grade

NGSS covered

Used 13+ times

Elements and the Periodic Table
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Who invented the Periodic Table?

Mendeleev

Bohr

Lewis

Democritus

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Group 17: All nonmetals. Very reactive. Poor conductors of heat and electricity. Tend to form salts with metals. These elements have 7 valence electrons.

Noble gases

metalloids

Nitrogen Group

Halogens

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Elements in the same group or column have the same ...

# of valence electrons

# of shells

# of protons

Mass Number

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Rows on the periodic table are called ___________.

Periods

groups

families

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Group 18: Unreactive nonmetals. All are colorless, odorless gases at room temperature. These elements have a full outer energy level, usually 8 valence electrons, except for Helium which only has 2 valence electrons.

Nitrogen Group

Oxygen Group

Noble Gases

Halogens

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Elements in the same group have __________

Similar Properties

Same number of shells

Similar Mass

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What do all elements in the same period have?

same number of shells

same number of electrons

belong in the same family

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