Answer:
c . a proton
Protons and neutrons have approximately the same mass, about 1.67 × 10−24 grams
Sodium has has 11 protons, 11 electrons and 12 neutrons.
<h3>What is the periodic table?</h3>
The periodic table shows the elements as they are arranged in increasing atomic number. The elements on the left hand side of the table are metals. Those on the right hand side of the table are mostly nonmetals.
A element in the first column is sodium;
The element Na is called sodium and it belongs to group 1 elements. It has 11 protons, 11 electrons and 12 neutrons.
Learn ore about sodium:brainly.com/question/24010534
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Energy is not created or destroyed due to the law of Conservation of Energy. Hope this helps!
K⁺ has positive charge, the easiest way to form a bond is to connect to negatively charged ion. We have only one negative ion Cl⁻.
So, the answer is
C. Cl⁻.
I think that it is Covalent..
