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Valency for iron

so for all the chemical formulas if there is no subscript (for the valency of the element) does it mean it is a one or do i have
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2. asked by Sam
3. 762 views
what valency ?how can we find valency?explain.
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2. asked by sushil
3. 498 views
1. a)Differentiate between valency and oxidation numberb)Write the valency and oxidation numbers of the following elements: Na,
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2. 115 views
I'm drawing a Lewis structure for hydrogen cyanide using nitrogen with a valency of 3. Would I still need 2 dots after the N or
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2. asked by Hol
3. 854 views
An element x with valency a and an element y with valency b combine to form a compound the formula of the compound is
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2. asked by Zipporah
3. 203 views
I have to draw Lewis structures for hydrogen cyanide and cyanogen with nitrogen valency of three. Would I still need 2 dots
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2. asked by Hol
3. 774 views
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this
1. 1 answer
2. 134 views
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this
1. 1 answer
2. 73 views
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this
1. 1 answer
2. 92 views
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this
1. 3 answers
2. 115 views