Chemistry
An element X has atomic number 35. Answer the following questions.
(a) State the period and group to which it belongs.
(b) It is a metal or non-metal?
(c) Write a formula between X and hydrogen.
Related Questions
Distinguish between the following as directed.
(a) Ethene and ethyne (on the basis of preparation)
(b) Sodium carbonate and sodium sulphite (using dilute hydrochloric acid)
Draw the electron dot structure for the following.
(a) NaCl
(b) MgCl2
Choose the substances given below to answer the following questions.
Ferrous chloride
Iron (II) sulphate
Iron (II) chloride
Copper chloride
Aluminium oxide
Copper (II) oxide
(a) A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide.
(b) The salt which gives a dirty green precipitate with sodium hydroxide solution.
(c) The metal oxide which can react with acid as well as alkali.
Identify the acid and write the balanced equation for the following.
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide and nitric acid.