Question

What is the significance of atomic number in the modern peroidic table?​

Answer 1

Answer:

• The main reason the atomic number is important is because it's how you identify the element of an atom. Another big reason it matters is because the modern periodic table is organized according to increasing atomic number. Finally, the atomic number is a key factor in determining the properties of an element.

Answer 2

Answer:

The atomic number gives the number of protons in an atom. The no. of protons is equal to thenumber of electrons in a neutral atom. Meaningfrom the atomic no. ... From the electron arrangement we can now tell the group and period in which the element belong.

Explanation:

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