Answer:
The last option V, Rh, Sn
Explanation:
Look at the periodic table. Atomic weight increases going from left to right and progressing downward in the table.
Answer:
To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].
Explanation:
Answer:
they combine to form metal oxide
River Banks? I'm not completely sure but hope this helps!