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प्रश्न
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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उत्तर
WX is the formula of the compound formed between W and X.
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संबंधित प्रश्न
Five atoms are labelled from A to E.
| Atoms | Mass No. | Atomic No. |
| A | 40 | 20 |
| B | 19 | 9 |
| C | 7 | 3 |
| D | 16 | 8 |
| E | 14 | 7 |
(a) Which one of these atoms:
(i) contains 7 protons,
(ii) has an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
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Explain the following briefly:
Helium does not form He2 molecule
A Compound 'X' consists of only molecules. Hence 'X' will have
State the type of bonding in the following molecule.
Calcium oxide
Name the following:
Metal with valency 2
State the type of bonding in the following molecules.
Calcium oxide
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
How many atoms of each kind are present in the following molecule:
water
