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Sedbober [7]
3 years ago
9

n a chemical reaction, water decomposes to form hydrogen and oxygen. What is the correct term for the water? Question 5 options:

an atom a reactant a product an element Save
Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
5 0

If we write out our chemical reaction, it should like this

2H2O —> 2H2 + O2

Looking at this, we can very clearly see that it is a decomposition reaction and that H2O is on the reactant side.
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What does the average atomic mass on the periodic table tell you?
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Hope this helps!
3 0
3 years ago
Use the periodic table to determine the electron configuration for iodine (i). express your answer in condensed form.
Dovator [93]
Iodine electron configuration is:

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when Krypton is the noble gas in the row above iodine in the periodic table,
we can change 1S^2  2S^2 2P^6 3S^2 3P^6 4S^2 3d^10 4P^6 by the symbol
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So we can write the electron configuration of Iodine:
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8 0
3 years ago
Read 2 more answers
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timama [110]

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2 years ago
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astra-53 [7]

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