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Objectives:

bullet2) Given the atomic symbol of any of the following elements, identify the name of the element.

hydrogen - H
carbon - C
oxygen - O
calcium - Ca
potassium - K
sodium - Na
phosphorus - P
lead - Pb
copper - Cu
nitrogen - N
chlorine - Cl
flourine - F
sulfur - S
magnesium - Mg
iron - Fe
iodine - I
lithium - Li
silver - Ag
bullet3) Select the major function(s) performed in living organisms by the following elements:

calcium: bone, teeth, muscle contraction
phosphorus: ATP, protein, DNA
chlorine: NaCl (salt), water balance
sulfur: protein
potassium: nerve transmission, muscle contraction
sodium: NaCl, water balance, nerve transmission
magnesium: enzymes
iodine: thyroid function
iron: blood hemoglobin
oxygen: part of water (H2O)
carbon: forms structural framework of organic molecules