NaN₃ is the chemical formula for Sodium Azide
2 nitrogen atoms, 4 hydrogen atoms and 3 oxygen atoms
Answer:
28
Explanation:
it states that the atom is neutral, meaning the number of electrons and protons are the same. so if there are 13 electrons, there are 13 protons. And the mass number is neutrons plus protons. So 13+15 is 28
Manipulation of the independent variable should change the dependent variable, the value of which "depends" on the independent variable's change in value.
I’m pretty sure it’s A or C
