| Question | Answer |
| the basic units of matter are ?
(two answers see page 51) | atoms and element |
| when two elements are formed in combination, the substance is called a | compound |
| which of the following substances is not an element ?
A.)bronze B.)oxygen C.)iron D.)hydrogen (see periodic table) | bronze |
| elements required by the body in large amounts are known as _____ elements | bulk |
| carbon, hydrogen, oxygen, and nitrogen are examples of ____elements | major |
| many trace elements are important parts of___elements | enzymes |
| what is meant by pH | the measure of the hydrogen ions present |
| carrot 5.0
acid or base | acid |
| milk of magnesium 10.5
acid or base | base |
| human blood 7.4
acid or base | base |
| tomato 4.2
acid or base | acid |
| lemon 2.5
acid or base | acid |
| distilled water 7.0
acid or base | neutral |
| what is alkalosis and what are the clinical signs | ph 7.5-7.8 feels agitated and dizzy |
| acidosis ph. level and clinical | ph. 7.0-7.3 feels disoriented and fatigue |
| identify the type of chemical reaction
AB->A+B | decomposition |
| identify the type of chemical reaction
A+B->AB | sythesis |
| identify the type of chemical reaction
A+B<->AB | reversible |
| identify the type of chemical reaction
AB+CD->AD+CB | exchange |
| acid, base, or salt
HCl | acid |
| acid, base, or salt
NaOH | base |
| acid, base, or salt
H2SO4 | base |
| acid, base, or salt
mg(OH)2 | acid |
| acid, base, or salt
NaHCO3 | base |
| acid, base, or salt
NaCl | salt |
