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Which of the following is the symbol for Potassium?
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
Which of the following elements makes up the largest percentage of the Earth's atmophere? (~78 %)
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
Concentration is
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
Which of the following elements makes up the majority of the Earth's Crust?
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
A ________________ is a mixture that appears to be a single substance.
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
If two poisonous elements are combined chemically, which of the following will be true of the resulting compound?
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
Two different atoms are chemically combined to form a new substance. What kind of substance formed?
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
Which of the following is a compound?
Salt
a measure of the amount of solute dissolved in a solvent (ex: amount of sugar in sweet Tea)
Oxygen
the compound may or may not be poisonous
a compound
Solution
Nitrogen
K
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