Question

How are the elements arranged in the modern periodic table?

Answer 1

They are arranged by atomic number. They start from the lowest atomic number and slowly increase. Hope this helps

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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Step-by-step 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.