WorksheetsStogs GCSE Interleaving Bonding M
Total questions: 15
Worksheet time: 8mins
A covalent bond is:
A shared electron
A strong electrostatic force of attraction between ions
A strong electrostatic force of attraction between atoms
A shared pair of electrons
A single line drawn between two atoms represents:
A single covalent bond
A single electron
A shared pair of electrons
A single proton
How many covalent bonds are there in total in a molecule of methane, CH4 ?
1
2
3
4
How many covalent bonds are there in a single molecule of oxygen, O2 ?
1
2
3
4
A covalent bond is strong because:
There are strong electrostatic forces of attraction between the atoms.
There are strong electrostatic forces of attraction between the shared electron pair and the two bonding nuclei.
Electrons are strong.
Electron pairs are strong.
An anion is:
An onion which has gone bad.
A positive ion.
A negative ion.
A molecule.
A cation is:
Another word for a cat.
A positive ion.
A negative ion.
A molecule.
An atom becomes an ion by:
Losing or gaining protons.
Losing or gaining neutrons.
Losing or gaining electrons.
Losing or gaining mass.
In ionic bonding:
Atoms give and receive electrons.
Atoms give and receive electron pairs.
Atoms give away electrons.
Atoms gain electrons.
A compound with an -ate ending:
Contains oxygen only.
Contains sulphur.
Contains oxygen in addition to two other elements.
Contains nitrogen.
What ion is formed when sulphur reacts to become part of an ionic compound?
1+
2+
2-
1-
What ion is formed when aluminium reacts to become part of an ionic compound?
1+
2+
3+
4+
Ionic compounds are strong because they are held together by:
Covalent bonds
Ionic bonds
Strong electrostatic forces of attraction between oppositely charged ions.
Strong electrostatic forces of attraction between electrons.
What is the sulphate ion?
S2-
S2+
SO42-
SO42+
What is the nitrate ion?
NO2-
NO22-
NO3-
NO32-
