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प्रश्न
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
उत्तर
The electrovalent bond or ionic bond is called heteropolar bond.
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संबंधित प्रश्न
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
Why do they exist as monoatoms in molecules?
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
Give a reason
Physical properties of isotopes are different.
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
Draw orbit structure diagram of calcium oxide (CaO).
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.
Five atoms are labelled V to Z
| Atoms | Mass Number | Atomic Number |
| V | 40 | 20 |
| W | 19 | 9 |
| X | 7 | 3 |
| Y | 16 | 8 |
| Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
How many atoms of each kind are present in the following molecule:
water
