Question

How are the elements arranged in the modern periodic table? mastering?

Answer 1

Periodic table of the elements, in chemistry, the organized array of all the chemical elements in order of increasing atomic number—i.e., the total number of protons in the atomic nucleus.

Answer 2

Answer choices are:

A. by increasing atomic mass

B. by decreasing atomic mass

C. by increasing atomic number

D. by decreasing atomic number

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Correct answer choice is:

C. By increasing atomic number

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Explanation:

The modern periodic table is a table comprising the components organized in a progression of increasing atomic number. A vertical column termed as a group includes elements with related characteristics. A horizontal row is called a period.