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WorksheetsHSC Sec 2 HEW (Ionic Bonding)
Total questions: 12
Worksheet time: 6mins
Which of the following elements tend to lose electrons?
Oxygen
Neon
Nitrogen
Sodium
Why do Group 0 elements not form ions readily?
It has a full valance electron shell.
It has a high melting point.
It has the same number of protons and electrons.
It has too many electrons.
Atoms gain and lose electrons to obtain _________________________.
noble electronic shell
noble gas configuration
stable electronic shell
stable valence shell
Which of the following is the symbol for the nitrogen ion?
N+
N-
N2-
N3-
Which of the following pairs of elements undergo ionic bonding?
Carbon and oxygen
Magnesium and fluorine
Sodium and helium
Sulfur and hydrogen
Which of the following best explains how magnesium forms an ion?
It gains 1 electron.
It gains 2 electrons.
It loses 1 electron.
It loses 2 electrons.
Which of the following is the correct formula for magnesium oxide?
MgO
Mg2O
MgO2
Mg2O2
Which of the following is the formula of lead(IV) oxide?
PbO
PbO2
PbO4
Pb4O
What is the electronic configuration of a helium atom?
2
2.8
2.8.2
2.8.8.2
What is the electronic configuration of a calcium ion?
2.8
2.8.8
2.8.8.2
2.8.8.8
The electron has a charge of ____________ and a relative mass of _______________.
+1, 1
-1, 1
-1, 1/1840
0, 1/1840
Which of the following particles are nucleons?
Electrons only
Neutrons only
Protons and electrons only
Protons and neutrons only
