Home
Class 7
CHEMISTRY
Write the symbols and valencies of the f...

Write the symbols and valencies of the following radicals:
(a) Magnesium ion (b) Ammonium
(c) Carbonate (d) Nitrate
(e) Oxide (f) Bisulphate
(g) Aluminium ion

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND RADICALS

    ICSE|Exercise Objective Type Questions (Fill in the blanks)|7 Videos

  • ATOMS, MOLECULES AND RADICALS

    ICSE|Exercise Tick the correct Answer|4 Videos

  • AIR AND ATMOSPHERE

    ICSE|Exercise OBJECTIVE TYPE QUESTIONS ( MULTIPLE CHOICE QUESTIONS)|3 Videos

  • ELEMENTS COMPOUNDS AND MIXTURES.

    ICSE|Exercise OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS)|5 Videos

Similar Questions

Explore conceptually related problems

Write the chemical formulae of the following. (a) Magnesium chloride (b) Calcium oxide (c) Copper nitrate (d) Aluminium chloride (e) Calcium carbonate.

Give the group number of the following elements present in periodic table (a) Magnesium (b) Carbon (c) Sulphur (d) Neon

The valency of sodium is one. Write the molecular formula for the following compounds of sodium (a) sodium oxide (b) sodium sulphate (c) sodium carbonate (d) sodium hydroxide (e) sodium nitrate

Write the balanced chemical equations for the following reactions: (a) Calcium hydroxide + Carbon dioxide to Calcium carbonate + Water (b) Zinc + Silver nitrate to Zinc nitrate + Silver (c) Aluminium + Copper chloride to Aluminium chloride + Copper (d) Barium chloride + Potasium sulphate to Barium sulphate + Potassium chloride

Define the following terms : (a) Atoms (b) Molecules (c) Radicals (d) Valency (e) Periodic table

Write the molecular formulae for the following compounds. a) Copper (II) bromide b) Aluminium (III) nitrate c) Calcium (II) phosphate d) Iron (III) sulphide e) Mercury (II) chloride. f) Magnesium (II) Acetate.

Write the balanced chemical equations for the following reactions and identify the type of reaction in each case. (a) Iron (III) oxide reacts with aluminium and gives molten iron and aluminium oxide. (b) Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride. (c) Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine. (d) Ethanol is burnt in air to form carbon dioxide, water and releases heat.

Describe the action of heat on the following compounds : (a) Ammonium nitrate (b) Ammonium nitrite ( c) Ammonium chloride. (d) Ammonium dichromate ( e) Orthophosphoric acid (f) Phosphrous acid (g) Hypophosphorous acid (h) Copper nitrate.

State the valencies of the following metallic elements -a] Potassium b] Sodium c] Calcium d] Magnesium e] Zinc f] Aluminium g] Chromium [write each symbol with the valency]

Write the skeleton equation for each of the following processes and balance them by ion electron method : (i) Permagnate ion oxidizes oxalate ions in acidic medium to carbon dioxide and gets reduced itself to Mn^(2+) ion . (ii) Bromine and hydrogen peroxide react to give bromate ions and water . (iii) Chlorine reacts with base to give chlorate ion, chloride ion and water.