RHS Biochem Set 2
Terms
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- period
- horizontal row on the periodic table <-->
- group
- vertical column on the periodic table
- hard water
- water with dissolved calcium, magnesium, or iron; soap does not dissolve in this
- cation
- ion with a positive charge
- anion
- ion with a negative charge
- pH scale
- runs from 0-14; tells if a substance is acid or base
- organic
- substance which contains carbon
- symbol
- one or two letters that stand for an element
- heavy metal
- elements such as lead, mercury, or cadmium which are toxic
- turbidity
- cloudiness