WorksheetsChemcal bonding 4
Total questions: 5
Worksheet time: 9mins
Which of the following metals has the lowest boiling point?
Aluminium
Copper
Potassium
Sodium
The van der waals forces play an important role in influencing the physical properties of
CO2
Mg
NH3
SiO2
The melting point of magnesium is higher than that of sodium because
the relative atomic mass of sodium is less than that of magnesium
the metallic bonding in magnesium is stronger than that in sodium
the atoms in magnesium are packed more closely than the atoms in sodium
the atomic size of magnesium is larger than that of sodium
Element X and Y form the ionic compound, XY. Which of the following are the electronic configurations of X and Y
X : 1s1 ; Y : 1s2 2s2 2p6 3s2 3p5
X : 1s2 2s2 2p6 3s1 ; Y : 1s2 2s2 2p6 3s2 3p4
X : 1s2 2s2 2p5 ; Y : 1s2 2s2 2p6 3s2 3p5
X : 1s2 2s2 2p5 3s2 ; Y : 1s2 2s2 2p6 3s2 3p4
Which combination of elements will form an ionic bond?
Boron-chlorine
Carbon-flourine
Lithium-oxygen
Phosphorus-oxygen
