(c) what is the atomic number of phosphorus? (d) what is the atomic number of radium? (e) what is the atomic…

(c) what is the atomic number of phosphorus? (d) what is the atomic number of radium? (e) what is the atomic number of zinc?
Answer
Explanation:
Step1: Recall atomic number knowledge
Atomic numbers are fixed for elements. Radium has an atomic number of 88.
Step2: Recall atomic number of zinc
Zinc has an atomic number of 30.
Answer:
(d) 88 (e) 30