Question

why Berillium is placed in fourth place and Boron is on fifth place in the periodic table
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Answer 1

Explanation:

element element facts for atomic number 4 .the element with atomic number 4 is beryllium which means each atom of beryllium has four protons .a stable atom would have 4 neutrons and 4 electrons.varying the number of neutrons changing the isotope of beryllium, while varying the number of atoms can make berryllium.

The reason for the arrangement of elements in the periodic table is based upon the atomic number. in all periods including the elements are arranged according to the atomic number in increasing order.

that's why beryllium is placed in fourth place and boron is on fifth place in periodic table

I hope it will help you

Answer 2

Answer:

I didn't know sorry pls forgive