The Epic 100 Quiz: Junior Cert Chemistry - Chemical Bonding

A chemical bond is the force of ______________ holding atoms together in a compound

• Attraction

• Repulsion

All of the noble gases are ___________________

• Unreactive

• Reactive

• Highly reactive

• Explosive

The octet rule states that when bonding occurs, atoms tend to reach an electron arrangement with __________ electrons in the outermost shell.

• Eight

• Sixteen

• Eighteen

• Two

When bonding occurs, atoms tend to reach an electron arrangement with eight electrons in the outermost shell. This is known as the ______________ rule.

• Octet

• Sine

• Electrovalent

• Bonding

_________________ is a charged atom or group of atoms.

• An ion

• An isotope

• A nucletotide

• A radioisotope

• A quark

A covalent bond is a bond which consists of a ______________ pair of electrons.

• Shared

• Transferred

• Donated

• Accepted

A single covalent bond is formed when ______________ of electrons are shared...

• One pair

• Two pairs

• Three pairs

• Four pairs

A double covalent bond is formed when ______________ of electrons are shared...

• One pair

• Two pairs

• Three pairs

• Four pairs

A triple covalent bond is formed when ______________ of electrons are shared...

• One pair

• Two pairs

• Three pairs

• Four pairs

Which of the following is an example of an ion?

• Oxide

• Phosphide

• Sodium

• Nitrogen