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प्रश्न
Number of valence electrons in carbon is ______.
पर्याय
2
4
3
5
उत्तर
Number of valence electrons in carbon is 4
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संबंधित प्रश्न
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
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.
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
Name an element which does not contain neutron.
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
State the type of bond between Y and Z and give its molecular formula.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
How many atoms of each kind are present in the following molecule:
water
