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प्रश्न
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
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उत्तर
Hydrogen and carbon
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संबंधित प्रश्न
Explain the following briefly:
Helium does not form He2 molecule
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
Five atoms are labeled 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 electronic configuration 2,7
(b) Write down the formula in the compound formed between C and D
(c) Predict : (i) metals (ii) non-metals
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Give the orbital diagram of the following:
Hydrogen chloride
State the type of bonding in the following molecules.
Water,
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
Explain Octet rule with an example.
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
