Who created the periodic table?
Mendeleev
What are the horizontal rows called?
Periods
Which group is alkali metals?
1
Electron on the outermost shell are called?
Valence Electrons
Group 1, Period 2
Li
Solitaire
What are the vertical columns called?
Groups
Which group is noble gases?
18
How many valence electrons are on group 1?
1
Group 2, Period 5
Ba
An organized table of chemical elements..
Periodic Table
Small number on top of element (protons) is called..
Atomic Number
Which group is carbon family?
14
How many valence electrons are on group 13?
3
Group 16, Period 4
Te
Which is correct?
NA, na, nA, Na
Na
Which group is halogens?
17
How many valence electrons are in group 17?
7
Og
How did Mendeleev organize the elements?
Increasing order
Which side of the periodic table is the most reactive?
Left
Which group is alkaline earth metals?
2
How many valence electrons are in group 15?
5
Period 6, Group 14
Pb