Advertisements
Advertisements
प्रश्न
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
उत्तर
Ionic compounds = NO, NH4Cl, NH4NO3
Covalent compounds = N2, NH3, NO
Polar compounds = NCl3
APPEARS IN
संबंधित प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Match the column A with Column B.
Column A |
Column B |
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
How many atoms of each kind are present in the following molecule:
Calcium oxide
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
Name an element which does not contain neutron.
Name the following:
Metal with valency 2
Complete the table give below.
Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
Lithium | 3 | 1s22s1 | ||
Boron | 5 | 1s22s22p1 | ||
Oxygen | 8 | 1s22s22p4 |
Match the following:
1. | Atomic bond | a. | Oxygen and hydrogen |
2. | Atoms with different electronegativities | b. | acceptor bond |
3. | An atom that accepts electron pair | c. | covalent bond |
4. | Rusting of iron | d. | donor atom |
5. | An atom that provides electron pair | e. | oxidation |
f. | ionic bond |
Choose the odd one out and write the reason: