Question

this is how krypton appears in the periodic table. 36 kr krypton 83.80 rounded to the nearest whole number, how many protons are in an atom of krypton? ○ 36 ○ 48 ○ 84 ○ 120

Explanation:

In the periodic table, the atomic number (the number at the top of the element's box) represents the number of protons in an atom of that element. For krypton (Kr), the atomic number is 36, so the number of protons is 36. Rounding is not needed here as 36 is already a whole number.

Answer:

A. 36