alkali metals
What happens when alkali metals react with water.
They take in hydrogen and blow up.
How many valence electrons does magnesium have
2 VE
How many rings does cesium have
6 rings
who was the inventor of the periodic table we use today.
Mendeleeve
How does the periodic table range with atomic mass.
It ranges from small to large.
What element is Li
Lithium
How many valence electrons does Flourine have
7 valence electrons
3 rings
Was there more than one periodic table?
Yes
How many rings does Krypton have.
4 Rings
What element is Na
Sodium
how are valence electrons determined
The colum they are located.
How many rings does Calcium have
4 rings
How are the elements grouped?
By how they react to substances
How many valence electrons does Oxygen have?
6 valence electrons.
What symbol is potasium
K
How many colums are on the periodic table
12 colums
how many rings does helium have
1 ring
Why do we use the periodic table?
We use it to see how elements relate to each other.
Where is the most reactive chemicals found?
The bottom of the collums
What is Fr
Francium
How many valence electrons does helium have have
2 valence electrons
How are the rings determined
The row the element is in
Is the periodic table organized in a specific way?
Yes the least reactive at the top and the most reactive at the bottom.
Where is the least reactive elements found?
At the top of the periodic table.