Answer:
8 Protons
Explanation:
Oxygen is the 8th element in the periodic table. That means that oxygen has 8 protons and 8 electrons. To get the number of neutrons you take the atomic weight in this case 15.9999~16 and you subtract it by the number of protons.
Answer:
pioneer species. because they are flower like species
Answer:
Option B. Both have a pH less than 7, but H3PO4 has a lower pH than HCl
Explanation:
Those are acid, so the pH would be < 7.
H₃PO₄ is a weak acid with 3 dissociations
HCl is a strong acid.
pH depends on [H]⁺
H₃PO₄ → 3H⁺ + PO₄⁻³
HCl → H⁺ + Cl⁻
If both acid, have the same concentration, [H⁺]H₃PO₄ > [H⁺]HCl, that's why the pH from the phosphoric will be lower.
To have the all three scales set at zero.