Question

visit the interactive periodic table and locate the element neon (ne). use the information within the square to answer these questions. what is the atomic number of neon? what is the atomic mass of neon? give your answer to the nearest tenth.

Explanation:

Step1: Recall periodic - table knowledge

The atomic number of an element is a unique identifier and is found in the periodic table. For neon (Ne), by looking at the periodic table, the atomic number is 10.

Step2: Find atomic mass

The atomic mass of neon from the periodic table is approximately 20.2 (rounded to the nearest tenth).

Answer:

10
20.2