Page 14 - Herlihy: The Human Body in Health and Illness, 3rd Edition
P. 14
16 What is the H hydrogen
symbol of the Na Sodium
following
elements?
Hydrogen and
sodium
17 Define an acid Is a substance that, when dissolved in water , will ionize
into positively charged Hydrogen ion H + and negatively
charged ions of some other element
18 Define base Or alkali, is a substance that when dissolved in water, will
ionize into negatively charged hydroxide and positively
charged ions of a metal
19 Define PH Is a measure of the acidity or alkalinity of a solution
20 What is the result A salt and water
of combining an
acid and a base? HCL + NaOH = Sodium chloride and water