The v-shaped tank has width w into the paper and is filled from the inlet pipe at volume flow q. derive expressions for (a) the rate of change dh/dt and (b) the time required for the surface to rise from hi to h2.

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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explanation:

i think option no d is the correct answer

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