GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ bonding is when 2 atoms share a pair of electrons. When an atom gives away or takes an extra electron, it has an overall negative of positive charge and is called an ____
A
Ionic, Element
B
Ionic, Ion
C
Covalent, Element
D
Covalent, Ion
Explanation: 

Detailed explanation-1: -Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell.

Detailed explanation-2: -A covalent bond is the force of attraction that holds together two atoms that share a pair of valence electrons. The shared electrons are attracted to the nuclei of both atoms. This forms a molecule consisting of two or more atoms. Covalent bonds form only between atoms of nonmetals.

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