Chemistry
Arrange the following as per the instructions given in the brackets.
(a) Al, Cl, Na, Si, Mg (increasing order of non-metallic character).
(b) C, F, Li, O, Be (decreasing order of metallic character)
(c) Mg, Al, Na, Si (increasing order of atomic size).
Related Questions
Identify the catalyst used and the compound formed from the following observation.
(a) A catalyst used in the manufacture of nitric acid by Ostwald's process.
(b) A compound formed when both sulphur trioxide and sulphuric acid reacts.
Write the products and balance the equation.
(a) NH4OH + HCl ⟶
(b) ZnS + HCl ⟶
X [Oxygen, Sulphur, Selenium] and Y [Neon, Argon, Xenon] are two sets of elements. Using these elements complete the following.
(a) Set …………… is known as noble gases.
(b) In set X …………… has the highest electronegativity.
(c) The …………… set contains the non-metals.
(a) For each of the substances given below, what is the role played in the preparation of NH3 (ammonia)
(a) CaO
(b) Mo