Physical Properties
Chemical Properties
General Info
Historical
Other Facts
100
What state of matter is Potassium at room tempreture
solid
100
How many protons does potassium have?
19
100
What group is Potassium in?
1.
100
True or False: Potassium was discovered in Roman times.
False.
100
What fruit contains a high source of Potassium?
Bananas.
200
True or False? Potassium is the least dense metal.
False, it is the second dense.
200
True or False: Potassium will react with water more violently than sodium will.
true
200
How many energy levels does potassium have?
4.
200
The Latin name for Potassium, Kallium, was taken from a) Classic Latin b) Neo- Latin
b) Neo-Latin
200
High amounts of Potassium are not found in which of these: a) Bananas b) Tomato paste c) Fertilizer d) Bleach e) There is Potassium in all of these
e)
300
Does Potassium have a high melting point?
No.
300
Is Potassium a highly reactive substance?
yes.
300
Potassium is a(n): a) Transition Metal b) Alkali Metal c) Noble Gas d) Alkali Earth Metal e) Lanthanide Metal
b) Alkali Metal
300
Potassium was first isolated by whom? a)Sir Humphy Davy b)Henri Louis Duhamel du Monceau c)Georg Ernst Stahl
a) Sir Humphry Davy
300
Potassium was first purified in what year?
1807
400
What color is Potassium?
Silver gray
400
What is the name of the substance created when potassium mixes with oxygen?
Potassium Peroxide
400
What is its standard atomic weight? a)39.0983 b)19 c)43.5046 d)43.6902 e) Potassium's atomic weight is unknown
a) 39.0983
400
Justus Liebig discovered what?
Potassium is needed for most plants to grow, and most soil is lacking in potassium.
400
What is potassium's boiling point?
759ºC
500
What color flame does Potassium emit durring a flame test?
lilac
500
What happens when Potassium Chlorate is mixed with sugar?
It produces a large red flame. https://www.youtube.com/watch?v=txkRCIPSsjM
500
What is it's melting point? a)72.4ºC b)43.8ºC c)63.5ºC d)59.2ºC
c)63.5
500
in 1868 mineral deposits of Potassium Chloride were found near what country?
Germany
500
An alloy of sodium and potassium is used as what?
A heat transfer medium.
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