What is responsible for metallic bonding?
What is responsible for metallic bonding? A. Sharing of electrons between the metal atoms B. Attraction between the…
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Which of the following compounds is covalent?
Which of the following compounds is covalent? A. CaCI2 B. MgO C. NaN D. CH4 Correct Answer: Option…
Elements which belong to the same group in the Periodic Table are characterized by
Elements which belong to the same group in the Periodic Table are characterized by A. difference of +1…
The atom of an element X combines with aluminium (13AI)?
The atom of an element X combines with aluminium (13AI)? A. AIX 2 B. AI 2X C. AI2X…
Given that the electronic configuration of an element X is 1s22s22p63s 23p4, it can be…
Given that the electronic configuration of an element X is 1s22s22p63s 23p4, it can be deduced that X…
P,Q,R and S are metals in the same group in the Periodic Table but in…
P,Q,R and S are metals in the same group in the Periodic Table but in periods 3,4, 5…
Allotropes of an element differ in their
Allotropes of an element differ in their A. physical properties B. chemical properties C. mass numbers D. electronic…
What is the mass number of an element if its atom contains 10 protons, 10…
What is the mass number of an element if its atom contains 10 protons, 10 electrons and 12…
A plastic which cannot be softened by heat is described as
A plastic which cannot be softened by heat is described as A. thermosetting B. non-biodegradable C. thermoplastic D.…
If 20 cm3 of distilled water is added to 80 cm3 of 0.50 mol dm-3…
If 20 cm3 of distilled water is added to 80 cm3 of 0.50 mol dm-3 hydrochloric acid, the…