First Periodic Table
Modern Periodic Table
Representative Groups
Valence Electrons
Locating Elements
100

Who created the periodic table?

Mendeleev

100

What are the horizontal rows called?

Periods

100

Which group is alkali metals?

1

100

Electron on the outermost shell are called?

Valence Electrons

100

Group 1, Period 2

Li

200
How did Mendeleev come up with the periodic table?

Solitaire

200

What are the vertical columns called?

Groups

200

Which group is noble gases?

18

200

How many valence electrons are on group 1?

1

200

Group 2, Period 5

Ba

300

An organized table of chemical elements.. 

Periodic Table

300

Small number on top of element (protons) is called..

Atomic Number

300

Which group is carbon family?

14

300

How many valence electrons are on group 13?

3

300

Group 16, Period 4

Te

400

Which is correct?

NA, na, nA, Na

Na

400

Which group is halogens?

17

400

How many valence electrons are in group 17?

7

400
Period 7, Group 18

Og

500

How did Mendeleev organize the elements?

Increasing order

500

Which side of the periodic table is the most reactive?

Left

500

Which group is alkaline earth metals?

2

500

How many valence electrons are in group 15?

5

500

Period 6, Group 14

Pb

M
e
n
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