Advertisements
Advertisements
प्रश्न
State the valency of the following metallic element and write symbol with the valency
Potassium
Advertisements
उत्तर
Metals have positive valency 1, 2 or 3,
| Element | Symbol | Valency |
| Potassium | \[\ce{K}\] | \[\ce{K^1+}\] |
APPEARS IN
संबंधित प्रश्न
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
Give two examples of the following:
Liquid + Liquid mixture:
Explain the terms ‘chemical formula’.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
Give the symbol of the following element:
Nitrate
Write the radical of the following valency:
Phosphate
Give the formula of the following gas:
Nitrous oxide
State the valency of the following metallic element and write symbol with the valency
Sodium
What does the symbol '(l)' present in a chemical equation, mean?
