D. Pentane. Pentane has 5 Carbon and 12 Hydrogen, like the molecule shown.
X is always the independent variable
Answer:
Hydrogen +
Explanation:
An acid is a chemical which "wants" to donate some protons, or hydrogen + ions. Since a hydrogen atom is just a proton and an electron, the ion lacking an electron is simply a proton. Hope this helps!
Answer:
74
Explanation:
we know,
atomic number = number of protons
so,
atomic number = 74