the periodic table below shows each chemical elements name, atomic number, and atomic symbol. periodic table…

the periodic table below shows each chemical elements name, atomic number, and atomic symbol. periodic table of the elements use the periodic table to fill in the missing information in the table below. name atomic symbol atomic number helium 2 sn 50 20

the periodic table below shows each chemical elements name, atomic number, and atomic symbol. periodic table of the elements use the periodic table to fill in the missing information in the table below. name atomic symbol atomic number helium 2 sn 50 20

Answer

Explanation:

Step1: Locate helium on periodic table

Helium's symbol is He.

Step2: Identify element with atomic number 50

From periodic table, element with atomic number 50 is tin.

Step3: Identify element with atomic number 20

From periodic table, element with atomic number 20 is calcium, symbol Ca.

Answer:

Name Atomic Symbol Atomic Number
Helium He 2
Tin Sn 50
Calcium Ca 20