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Place the following elements in order of decreasing atomic size:

a. lead
b. phosphorus
c. oxygen
d. cesium
e. barium
f. silicon.

Rank below mention elements from largest to smallest.

a. Cs
b. O
c. P
d. Si
e. Ba
f. Pb

Respuesta :

Answer:

Caesium (Cs) > Barium (Ba) > Lead (Pb) > Silicon (Si) > Phosphorus (P) > Oxygen (O)

Explanation:

Before proceeding, we need to understand the trend of atomic sized.

In the periodic table, atomic size generally decreases form left to right in a period. It increases down the group.

Having known this, the order of the elements is thus given as;

Caesium (Cs) > Barium (Ba) > Lead (Pb) > Silicon (Si) > Phosphorus (P) > Oxygen (O)

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