Answer:
Trough is the lower bound of wave, while the crest is the upper bound of a wave.
Explanation:
see picture attatched
Answer:
By using any one technique like boiling, distillation, condensation ,etc , one can be used to distinguish between a pure substance and a homogeneous mixture.
Explanation:
If the liquid is a pure substance, then it can not be separated by using physical means because all atoms of a pure substance show same properties.
But on the other hand, if there is homogeneous mixture, it can be separated by using techniques like boiling, distillation, condensation ,etc.
<u>Thus, using any of the one method listed above can be used to distinguish between a pure substance and a homogeneous mixture.</u>
Answer:
1=4
2=2
3=hydrogen bonding
4=SO2 is reduced to Sulphur
Explanation:
<h2>I am trying my best okay.</h2>
<span>Group 1A metals typically form a positively- charged cation with a +1 charge. Since group 1A metals typically only have 1 valence electron, they will often donate this electron to a Group 7A element so both atoms will have full outer shells of electrons.</span>
Answer:
2
Explanation:
4s2 has 2 valence electrons
