a single atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it?\no v\no…
a single atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it?\no v\no na\no mg\no se
Answer
Explanation:
Step1: Recall element - proton relationship
The atomic number of an element is equal to the number of protons in its atom.
Step2: Identify the element
Since the atom has 11 protons, the atomic number is 11. Sodium (Na) has an atomic number of 11.
Answer:
B. Na