Elements
What is the symbol for aluminum on the periodic table?
Al
Most of the chemical elements on the periodic table are... (non metal/ metal)
Metals
What is the atomic number of carbon?
6
What group is helium in?
How many confirmed elements can you find on the periodic table?
118
What is the symbol for potassium on the periodic table?
K
How many periods or rows are there on the periodic table?
7
What is the atomic number of aluminium?
13
What group is lithium in?
Alkali metals
Mercury, Cadmium, and zinc all belong to which group on the periodic table?
12
What is the symbol for titanium on the periodic table?
Ti
How many chemical elements are there on the first row of the periodic table?
2
What is the atomic number of gold?
79
What group is Bromine in?
Nonmetals
What does the atomic number mean?
The number of protons in the atom
What is the symbol for mercury on the periodic table?
Hg
Which side (left or right) of the periodic table are the metals?
left
What is the atomic number of krypton?
36
What group is zinc in?
Transition Metals
Which scientist invented the periodic table?
Mendeleev
What is the symbol for lead on the periodic table?
Pb
If you go from left to right on the periodic table, what happens to the valence electrons?
They increase in number
What is the atomic number of uranium?
92
What group is xenon in?
Noble gases
What is the most reactive element on the periodic table?
Francium