Science 9 Assessment

It refers to the formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical compound.

• Chemical Pairing

• Chemical Bonding

• Chemistry

• Chemical elements

Which of the following is a type of chemical bonding?

• Ionic

• Cation

• Atomic

• Anion

_____ rule states that the atoms of the elements form bonds so as to have eight outer electrons.

These are formed whenever a neutral atom gains or loses an electron.

• Molecules

• Atoms

• Ions

• Anions

It results from the electrostatic attraction between oppositely charged ions.

• Covalent bonding

• Negative bonding

• Ionic bonding

• Positive bonding

A positive ion is called ______.

• Anion

• Ion

• Cation

• Onion

A negative ion is called _____.

• Cation

• Anion

• Orion

• Scion

Cations are formed by ______ electrons.

• losing

• gaining

• sharing

• receiving

Anions are formed by _______ electrons

• losing

• gaining

• throwing

• pulling

When one atom loses an electron and another atom gains that electron, the process is called ________ ________.