Because going down a column you are jumping up to the next higher main energy level (n) and each energy level is further out from the nucleus
N<span>et ionic equation for ammonia and phosphoric acid</span> is
3 NH4OH + H3PO4 >> (NH4)3PO4 + 3 H2O
hope this helps
Answer:
an alloy is a mixture of elements that has metallic properties
Explanation:
A mole of magnesium is the number of gra ms of magnesium corresponding to its mass numbers
