Frequency = 1/time period = 1/0.05 = 20s^-1.
Answer:
Group 1 - the alkali metals. The Group 1 elements in the periodic table are known as the alkali metals.
Explanation:
There are two atoms of potassium bonded to one atom of sulfur.
Answer:
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Explanation:
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Explanation:
When hot water is poured on the can in a bucket of cold water, the can crushes off means it gets unshaped
