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What are the two names for horizontal rows on the periodic table?
The two names for horizontal rows on the periodic table are periods and series.
What are two names for columns on the periodic table?
groups and famalies
How many period are there in the Modern Periodic Table?
The Periodic Table has 18 groups and 7 periods.
Where can period be on the periodic table?
On the left side (the first 12 columns + the bottom four in the 13th column+the bottom two in the 14th column+the bottom one in the 15th column)
What group of elements reacts vigorously with water and halogens?
All of the alkali metals, periodic column 1 excluding hydrogen in a wide form periodic table, and all but the two lightest alkaline earth elements, periodic table column 2 excluding beryllium and magnesium, have the reactivity specified by the question.
What are the two names for horizontal rows on the periodic table?
The two names for horizontal rows on the periodic table are periods and series.
Where on the periodic table are the melting point and boiling points the highest?
in column two
What are two names for columns on the periodic table?
groups and famalies
What elements behave most like strontium?
Calcium and barium, strontium's two immediate neighbors in periodic table column 2 of a wide form periodic table.
How many electrons does a magnesium have on it's outer shell?
It has two, since it is in the second column on the periodic table.
How do you know how many valence electrons does calcium have?
its in column two on the periodic table, so therefor it has two valence electrons .
How many period are there in the Modern Periodic Table?
The Periodic Table has 18 groups and 7 periods.
Where can period be on the periodic table?
On the left side (the first 12 columns + the bottom four in the 13th column+the bottom two in the 14th column+the bottom one in the 15th column)
What group of elements reacts vigorously with water and halogens?
All of the alkali metals, periodic column 1 excluding hydrogen in a wide form periodic table, and all but the two lightest alkaline earth elements, periodic table column 2 excluding beryllium and magnesium, have the reactivity specified by the question.
Describe the number of valence electrons in each atom as you move down group 2 in the periodic table?
Every atom in Column 2 of a wide form periodic table has two valence electrons.
What elements have two valence electrons?
The alkaline earth metals in column 2 and the transition metals in column 12 of a wide-form periodic table.
What were the names of the two men credited with the development of the first periodic table?
Dmitri Mendeleev and Lothar Meyer
