how many protons are in this atom? 7 3 li+
how many protons are in this atom? 7 3 li+
Answer
Explanation:
Step1: Recall atomic number concept
The sub - script number in the atomic notation represents the atomic number.
Step2: Know the relation between atomic number and protons
The atomic number is equal to the number of protons in an atom. For the lithium ion $_{3}^{7}Li^{+}$, the atomic number is 3.
Answer:
3