Question

masteryconnect wilson, makyla dtal- ch- term 1 - unit 2 assessment 25-26 the table below gives information about the nucleus of each of four atoms. atom number of protons number of neutrons a 6 6 d 6 7 e 7 7 g 7 8 how many different elements are represented by the nuclei in the table? 4 2 3 1

Explanation:

Step1: Recall element - defining property

The number of protons defines an element.

Step2: Identify distinct proton numbers

Atoms A and D have 6 protons (same element), atoms E and G have 7 protons (same element). So, 2 different elements.

Answer:

2