Ionicly
They do not share electrons. All of the electrons get attracted the the group 7 element and they stick together electrostaticly.
Answer: 19.8 seconds
Explanation:
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<span>N2+ 3H2 → 2NH3
It is the haber's process of preparation of ammonia so, option D is your answer.
Hope this helps!
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Sand and water can be separated by any of the following methods:
1. Sedimentation and decantation: This method involves the mixture being kept undisturbed for some time. After some time, sand being heavier and insoluble in water, settles down at the bottom of container. Now, water is poured into another container to separate it from sand.
2. Filtration: This method involves the mixture being passed through a filter paper (a filter with very fine pores). Sand particles being larger in size are retained by the filter paper and get separated from water.
I hope this helps! :D
Chromatography is used to separate mixtures of substances into their components. All forms of chromatography work on the same principle.