An atom in its ground state contains 33 electrons. how many of these electrons are in p orbitals?

The selection rules allow finding how many electrons there are in the p orbitals is:

Solving the equation for atoms in three dimensions gives three constants called quantum numbers, which are related:

These relationships are called selection rules.

They indicate that the atom has 33 electrons, therefore they must be arranged according to the selection rules.

   1s² 2s²p⁶ 3s² 3p⁶ 4s² 3d10 4p³

Electrons in p orbitals are:

 quantum number    electrons

   principal                   p orbital

          1                             0

          2                            6

          3                            6

          4                            3

Total electrons             15

In conclusion using the selection rules we can find when electrons are in the p orbitals is:

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e