False.
Na does represent sodium, but NOT when it lost an electron. Na+ represents sdoium when it lost its electron.
Answer:
the animal
Explanation:
a rodent thas in the ground
The molar mass of Fe would be 55.8450.
It should be noted that when a reaction is occurring in a test tube, heat transmitted to the surroundings when Molecules collide with the glass, and the glass molecules then transmit that energy to the outside.
<h3>What is heat?</h3>
Heat can be regarded as a form of energy which is energy that is been transferred as a result of difference in temperature.
In the case above, Molecules collide with the glass, and the glass molecules then transmit that energy to the outside which is an exothermic reaction.
Therefore, option B is correct.
Learn more about heat at:
brainly.com/question/12072129
The answer should be; 11
The atomic mass number is found by combining the number of protons and neutrons
Hope this helps :)
