Which of the following sets of elements are arranged in order of decreasing atomic size in the Periodic Table?

₆C, ₄Be, ₇N,₈ O

₄Be,₆ C,₇ N,₈ O

₈O, ₇ N, ₆C, ₄Be

₇N, ₈O, ₆C,₄Be

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Atontowi

3 years ago

please explain this.i don't understand

pearlrejoice

2 years ago

atomic radius or size decreases on the periodic table from left to right

udokaonyeaghala

10 years ago

una want contribute

Emmanuel24458

2 years ago

as we go down the order of elements the atomic radius DEcrease as nuclear charge iNcrease
eg
potassium
sodium
calcium
magnesium
aluminum
zinc
or hydrogen. |
helium. |
lithium. |
berylium. down atomic radius decrease
boron so oxygen has the lowest
carbon atomic radius but high
nitrogen nuclear charge
oxygen
now down this series