WorksheetsGrade 8 Chapter 9
Total questions: 10
Worksheet time: 30mins
What is shared in a metallic bond?
protons
neutrons
energy
electrons
Non-polar compounds
conduct electricity well
dissolve easily in water
do not mix with water
act like water
Which compound is formed when negative and positive ions attract?
metallic
ionic
covalent
polar
Atoms gain, lose or share electrons to become electronically stable as
a noble gas
an electron
an ion
an alkali metal
What group would the element named X be in?
X ⋅
group 8
group 1
group 3
group 7
Neon is a noble gas. This means that it
reacts very quickly
has one electron in its outer shell
does not react
reacts, but does so slowly
Which of the following is true?
Ionic compounds conduct electricity when solid
Ionic compounds have stronger bonds than covalent compounds
Covalent compounds are good conductors
Ionic compounds conduct well in water
Metallic bonds are special because
they form a 'sea of protons'
they form a 'sea of electrons'
they share electrons in pairs
they keep metals in a rigid structure
sodium chloride is a
metallic compound
ionic compound
covalent compound
none of the above
Nitrogen shares _________ pairs of electrons
1
2
3
4
