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SpyIntel [72]
3 years ago
5

Which of the following can be achieved by using a visible-light spectrophotometer?

Chemistry
1 answer:
gulaghasi [49]3 years ago
5 0
1 and 2 i think this is the answer 
thnx u 

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5. What is metallic bonding?<br> 6. Why are metals shiny?
cricket20 [7]

Answer:

Metallic bonding is found in metals and their alloys. When the atoms give up their valence electrons, they form ions. These ions are held together by the electron cloud surrounding them. Metals are shiny because they have a lot of free (i.e. delocalized) electrons that form a cloud of highly mobile negatively charged electrons on and beneath the smooth metal surface in the ideal case. ... In the absence of any external EM field, the charges in the plasma are uniformly distributed within the metal.

Explanation:

In metallic bonding, the electrons are “surrendered” to a common pool and become shared by all the atoms in the solid metal.

4 0
3 years ago
1.For Structure B the bond between carbon and sulfur is polar or non polar
Inga [223]

Answer:

polar

Explanation:

because carbon and sulfur have different electronegativities, the S=C bond is polar.

The entire molecule is nonpolar however because the dipoles (polar bonds) cancel out due to the geometry of the molecule (linear)

3 0
3 years ago
In an experiment you are asked to react hydrochloric acid with sodium hydroxide. When measuring the volume of the reactants, whi
Bingel [31]
What are the options? based on the volume it can differ but in general pipettes and graduated cylinder are the best.  <span />
7 0
3 years ago
Chemicals are classified as health hazards when they pose which of the following hazardous effects?
AlexFokin [52]

Answer:

poisoning, breathing problems, skin rashes, allergic reactions, allergic sensitisation, cancer, and other health problems from exposure.

Explanation:

many hazardous chemicals are also classified as dangerous goods.

4 0
2 years ago
We can know what elements make up a star by studying the star's position in the
Amanda [17]
The answer is "night sky"
hope i helped :)
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3 years ago
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