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it has two element (hydrogen and helium) that are both gases although they are metallic and have a luster like tony baloney
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∙ 13y ago
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What period is helium in in the periodic table?
It is in group 18 of the periodic table
What are the group and period number of sodium in the periodic table?
Sodium, Na, is in group 1 period 3 on the periodic table.
What is the correct placement of hydrogen in the periodic table?
It is placed in group 1, period 1 on the modern periodic table
What period of the periodic table is lithium in?
group 1 period 2
What is the diatomic element in period 1 in periodic table?
Hydrogen.
What period is helium in in the periodic table?
It is in group 18 of the periodic table
Which element is located in period 1 of the periodic table?
Period 1 refers to the top row of the periodic table. These elements are Hydrogen and Helium.
What are the group and period number of sodium in the periodic table?
Sodium, Na, is in group 1 period 3 on the periodic table.
What period in periodic table is hydrogen?
1
What is the correct placement of hydrogen in the periodic table?
It is placed in group 1, period 1 on the modern periodic table
What is the name of the first period on the periodic table?
Period 1
What unusual about period 1 of the periodic table?
it has two element (hydrogen and helium) that are both gases although they are metallic and have a luster like tony baloney
What kind of shell does the first period in the periodic table have?
The first period of the periodic table's elements all have 1 energy level.
What period of the periodic table is lithium in?
group 1 period 2
What is sodiums period in the periodic table?
period 3 group 1
Where does francium come in the periodic table?
Francium is in the period 7 and group 1 of the periodic table (alkali metals).
What period and group is francium in?
Francium is amrmber of the alkali metal familiy (group 1 in the Periodic Table of Mendeleev): Li, Na, K, Rb, Cs, Fr.
