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You need to learn the symbols for the elements I am afraid. Start using a Periodic Table (see the links below).
You could also learn the valencies but if you know the periodic table and understand why elements appear where they do, you can work out the likely valencies from the positions of the elements in the table - they are where they are for a reason!
You must ask your chemistry teacher to explain this reasoning to you - it should form part of your lessons.
This will help
Group number 1 = Valency 1
group number 2 = valency 2
group number 3 = valency 3
group number 4 = valency 4
group number 5 = valency 3
group number 6 = valency 2
group number 7 = valency 1
group number 8 = valency 0 (noble gases, nonreactive)
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∙ 11y ago
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What valencies is vanadium likely to have?
Vanadium has the following valencies: 2, 3, 4 and 5.
How do you learn symbols?
The best way to learn symbols is to make a Study Deck - see the link below to learn how! Just practice with the cards until you know all of the symbols.
How many valencies are there in nitrogen?
7
What True about balancing chemical equations?
chemical equation is defined as the short-hand representation of a true chemical reaction with the help of symbols and formula. All the atoms and their valencies sjould be balanced on both the sides.
What are the valencies of the elements of the periodic table?
kuru
What is mean by valency?
Variable valencies are the valencies which can change e.g. Fe (iron) can either have the valency of 2 (Fe II) or 3 (Fe III)
How many symbols did scribes need to learn?
700
What do you mean by variable valency?
Variable valencies are the valencies which can change e.g. Fe (iron) can either have the valency of 2 (Fe II) or 3 (Fe III)
What is the coordination geometry of CoCl2 6H2O?
CoCl2.6H2O has 6 water molecules attached as secondary valencies and 2 chlorine atoms are serving as the primary valencies. The secondary valencies are directional in nature and hence they lead to the geometry of it. The geometry of this compound is Octahedral with cobalt showing a coordination no. of 6.
What are the valencies of phosphate?
On its own, the valency of phosphate is 3
How do you read diamond clarity symbols?
You can review the charts and information, below, to learn more about diamond clarity symbols.
What do patriotic symbols mean?
its means u needs=a learn it
