WorksheetsChemical bond
Total questions: 15
Worksheet time: 8mins
which atom form a cation?
oxygen
chlorine
sodium
sulphur
the snail shell contains a natural ionic compound. other than oxygen, what elements are contained in the ionic compound of snail shell?
carbon and hydrogen
calcium and carbon
calcium and hydrogen
sodium and carbon
which compound is formed by transferring electrons?
Oxygen,O2
Carbon monoxide, CO
Sodium oxide, Na2O
Sulphur trioxide, SO3
Element X reacts with sulphur to form a compound with formula X2S. What is the correct electron arrangement of X? [Proton number :S=16]
2.8.3
2.8.1
2.8.2
2.8.4
Element J and element Q have proton number 12 and 9 respectively.What is the relative formula mass of a compound formed between element J and Q? [Proton number: J =24, Q=19]
30
43
62
67
Which of the following represents the electron arrangement for the compound sodium chloride,NaCl ?
Butane in cooking gas burns to release carbon dioxide. Both butane and carbon dioxide are
ionic compound
covalent compound
inorganic compound
hydrocarbon compound
Which molecule has a double covalent bond between its atom. [Proton number: H=1, N=7, O=8, F=9 ]
Hydrogen
Nitrogen
Fluorine
Oxygen
What is dative bond?
A bond formed when an electron pair that is shared comes from one atom only
A bond formed when one atom donates its electron(s) and another atom receives the electron(s)
A bond formed when at least two atoms share electrons
How can dative bond form in hydroxonium ion H3O+?
The pair of electrons not involved in covalent bond in water molecule, H2O will be shared with hydrogen ion H+
Water molecule, H2O and hydrogen ion, H+ will each share one electron
Water molecule, H2O and hydrogen ion, H+ will each share two electrons
How can dative bond form between ammonia, NH3 and hydrogen ion, H+ to form ammonium ion, NH4+?
Ammonia, NH3 and hydrogen ion, H+ will each share one electron
The pair of electrons not involved in covalent bond in ammonia, NH3 will be shared with hydrogen ion, H+
Ammonia, NH3 and hydrogen ion, H+ will each share one electron
Bonds that form between two metals are called ______________ bonds.
ionic
covalent
metallic
dative
Which type of bond creates a "sea" of electrons between atoms?
Ionic Bonds
Covalent Bonds
Metallic Bonds
Dative Bonds
