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WorksheetsCHM138 Topic 6
Total questions: 10
Worksheet time: 1hrs 16mins
Which is the most important factor affecting how atoms form chemical bonds?
Valence electrons
Neutrons
Atomic mass
Protons
Metals tend to _______ electrons to become _____ ions.
lose, neutral
gain, negative
lose, positive
gain, positive
Which of the following substance is not an ionic compound?
Potassium sulfide, K2S
Silicon oxide, SiO2
Magnesium nitride, Mg3N2
Aluminum oxide, Al2O3
Which of the following substance is a covalent compound?
NaCl
Al2O3
MgO
NH3
N has 5 valence electrons and it is diatomic. How many bonds are there in a N2 molecule.
Single
Double
Triple
Quadruple
Four elements W, X, Y and Z have the atomic numbers of 3, 12, 17, and 19 respectively. The pair of elements which would form a covalent compound is
X and Y
W and Y
X and Z
Y and Z
The electron group geometry for NH3 is
Bent
Trigonal planar
Trigonal pyramidal
Tetrahedral
What is the molecular geometry for H2O?
Linear
V-shape
Trigonal planar
Tetrahedral
Select the correct statement for the Lewis structure of PCl3.
The central atom of PCl3 has one lone pair electron and three bond pairs electron.
The central atom of PCl3 has two lone pair electrons and two bond pairs electron.
The central atom of PCl3 has three lone pairs electron and one bond pair electron.
The central atom of PCl3 has zero lone pair electron and four bond pairs electron.
The intermolecular force present in CCl4 is
Dipole dipole force
Induced dipole force
Hydrogen bond
Dative covalent bond
