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How does valency of element with respect to hydrogen vary in a period?
Wiki User
∙ 11y ago
in a period from left to right valency of elements with respect to hydrogen increases from 1 to 4 and then decreases upto 1 and with respect to oxygen increases from 1 to 7.
Wiki User
∙ 11y ago
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Which element has 1 valence electron and is in period 1.?
The element with 1 electron in period 1 would be hydrogen.
What is the first element in a period called?
Hydrogen
How many outer electrons do the metals in the first period have in the periodic table?
There are no metals in the first period. Only hydrogen and helium.
What is the first element in the first period in the periodic table?
hydrogen
What is the diatomic element in period 1 in periodic table?
Hydrogen.
An fact about hydrogen?
Hydrogen is the only element in the first period to not have a full outer energy level.
What period of the periodic table is hydrogen in?
Hydrogen is technically classed as a group one element, as it only has one electron!
What is the classification hydrogen?
Classification of hydrogen is: group 1, period 1 in the periodic table of Mendeleev; hydrogen is the first element in this table.
What does every element in the first period have?
i dont know i was waiting for u to tell me.....
What is the element in period 4 and group 6?
Chromium is the element in period 4 and group 6.
What element is in period1?
Hydrogen and helium are both in Period 1 of the usual periodic table displays.
What common feature is shared by the sodium and chloride ions?
Their valency is one. They both belongs to the third period.
