Answer:Van der Waals forces are responsible for certain cases of pressure broadening (van der Waals broadening) of spectral lines and the formation of van der Waals molecules. ... The main characteristics of van der Waals forces are: They are weaker than normal covalent and ionic bonds.
Explanation:
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Answer:
natural flame,oxidising flame
A semiconductor is a substance, usually a solid chemical element or compound, that can conduct electricity under some conditions but not others, making it a good medium for the control of electrical current. Silicon is a very common element -- for example, it is the main element in sand and quartz.
Answer:
7.432
Explanation:
There are 100 mg in a decigram, then use that to solve
3 millimeters since it is the smallest of the four and dimes are very thin