Advertisements
Advertisements
प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
उत्तर
Y = 9 i.e (2, 7)
APPEARS IN
संबंधित प्रश्न
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
State the type of bonding in the following molecules.
Water,
State the type of bonding in the following molecules.
Hydrogen chloride
The valency of noble gases is ______.
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 |
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
