SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A single water molecule is made up of ____
A
one atom of hydrogen and one atom of oxygen
B
one atom of sodium and one atom of chlorine
C
one atom of hydrogen and two atoms of oxygen
D
two atoms of hydrogen and one atom of oxygen
Explanation: 

Detailed explanation-1: -A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom. That’s why water is sometimes referred to as H2O.

Detailed explanation-2: -Water is a Polar Covalent Molecule Water (H2O), like hydrogen fluoride (HF), is a polar covalent molecule. When you look at a diagram of water (see Fig. 3-2), you can see that the two hydrogen atoms are not evenly distributed around the oxygen atom.

Detailed explanation-3: -Water (H2O) is the most common hydrogen polyoxide, occurring widely on Earth’s surface.

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