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Question
How many atoms of each kind are present in the following molecule:
water
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Solution
Water (H2O) has two atoms of hydrogen and one atom of oxygen. The oxygen atom has six valence electrons. So it requires two electrons to form an octet structure.
RELATED QUESTIONS
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2, 8, 1 |
2, 8, 7 |
2, 5 |
1 |
Answer the following question based on the table above:
What is the formula of the compound formed between W and X.
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\[\ce{^40_20Ca}\]
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