how are the rows on the periodic table referred to? a. chains b. groups c. levels d. periods the element…

how are the rows on the periodic table referred to? a. chains b. groups c. levels d. periods the element with the highest atomic number currently on the periodic table is: a. carbon b. tennessine c. gold d. helium

how are the rows on the periodic table referred to? a. chains b. groups c. levels d. periods the element with the highest atomic number currently on the periodic table is: a. carbon b. tennessine c. gold d. helium

Answer

Brief Explanations:

  1. In the periodic table, rows are called periods. Columns are called groups.
  2. As of now, the element with the highest - known atomic number is Oganesson (not in the options), but among the given options, Tennessine has a relatively high atomic number. Carbon has atomic number 6, Gold has atomic number 79, Helium has atomic number 2, and Tennessine has atomic number 117.

Answer:

  1. d. Periods
  2. b. Tennessine