Chemistry
Give the appropriate term defined by the statements given below:
(i) The formula that represents the simplest ratio of the various elements present in one molecule of the compound.
(ii) The substance that releases hydronium ion as the only positive ion when dissolved in water.
(iii) The tendency of an atom to attract electrons towards itself when combined in a covalent compound.
(iv) The process by which certain ores, specially carbonates, are converted to oxides in the absence of air.
(v) The covalent bond in which the electrons are shared equally between the combining atoms.
Chemical Bonding
ICSE 2019
7 Likes
Answer
(i) Empirical formula
(ii) Acid
(iii) Electronegativity
(iv) Calcination
(v) Non-polar covalent bond
Answered By
2 Likes
Related Questions
(i) Calculate:
The number of moles in 12g of oxygen gas. [O = 16]
The weight of 1022 atoms of carbon.
[C = 12, Avogadro’s No. = 6 x 1023]
(ii) Molecular formula of a compound is C6H18O3. Find its empirical formula.
(i) Give the IUPAC name of the following organic compounds:

(ii) What is the special feature of the structure of ethyne
(iii) Name the saturated hydrocarbon containing two carbon atoms.
(iv) Give the structural formula of acetic acid.
Arrange the following according to the instructions given in brackets:
(i) K, Pb, Ca, Zn. (In the increasing order of the reactivity)
(ii) Mg2+, Cu2+, Na1+, H1+ (In the order of preferential discharge at the cathode)
(iii) Li, K, Na, H (In the decreasing order of their ionization potential)
(iv) F, B, N, O (In the increasing order of electron affinity)
(v) Ethane, methane, ethene, ethyne. (In the increasing order of the molecular weight) [H = 1, C = 12]
Draw the electron dot structure of:
(i) Nitrogen molecule [N = 7]
(ii) Sodium chloride [Na = 11, Cl = 17]
(iii) Ammonium ion [N = 7, H = 1]