Question

periodic table
the model shows values corresponding to a mystery element, element “x”, on the periodic table. choose the correct terms to complete the sentences.
image of element x with 101 at top, 44 at bottom
the choose is the total amount of protons in the nucleus of an atom, which is represented by the number choose in the model. the choose is the total amount of protons and neutrons in the nucleus of an atom, which is represented by the number choose in the model.

Explanation:

1. Atomic number is protons in nucleus, here 44 (bottom number).
2. Mass number is protons + neutrons, here 101 (top number).

So first blank: Atomic Number; second: 44; third: Mass Number; fourth: 101.

Answer:

First dropdown: Atomic Number
Second dropdown: 44
Third dropdown: Mass Number
Fourth dropdown: 101