Question

what is the atomic no of element with valence shell conf. 6s2 6p4

Answer 1

The answer is polonium in the p block

Answer 2

Answer:

Explanation:

Atomic Number:

A chemical element's atomic number is its position in the periodic system, which places the elements in ascending order of the number of protons in their nuclei. As a result, the atomic number is also determined by the number of protons, which is always equal to the number of electrons in a neutral atom.

You can count the amount of electrons that will equal the number of protons in the atom and write down the electronic configuration.

Atomic number of an element equals number of protons.

$1S_{2} 2S_{2} 2P_{6} 3S_{2}3p_{6} 3d_{10} 4S_{2}4p_{6} 4d_{10} 5S_{2}5p_{6} 4f_{14} 5d_{10} 6S_{2} 6P_{4}$

Atomic number $= 84$

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