Answer
Name: Helium
Classification: Nonmetal
Atomic Number: 2
Work Step by Step
The abbreviation He stands for helium. This can be found on most periodic tables, or, in the case of this textbook, on the back side of the page that the periodic table is on. The atomic number, 2, is listed above the symbol for the element on the periodic table. Finally, on the periodic table in the book, the nonmetals are tan, the metalloids are purple, and the nonmetals are green.
