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I don't understand how the first two quantum numbers fit into describing atoms.

There are 4 quantum numbers. Each one describes a specific electron's position relative to its nucleus.
The first one, "principal quantum number" describes the distance the talked about ele...

NM
Answered by Nicole M. Chemistry tutor
2285 Views

Describe the stages of the mitotic cell cycle, explaining the appearance of cells at each stage.

The cell cycle can be broken into two. When the cell is replicating its DNA and preparing for division, it is in interphase. Interphase cells have a nucleus with chromosomes arranged as c...

HM
Answered by Hannah M. Biology tutor
11494 Views

Outline the role and organisation of the autonomic nervous system in mammals

The are two main areas of the autonomic nervous system are the sympathetic and the parasympathetic nervous systems. These are contrasting pathways and their main function is to regulate internal organ f...

CT
8521 Views

Express [1+4(square root)7] /[ 5+ 2(square root)7] in the form m + n (square root)7 , where m and n are integers.

Using a whiteboard would help greatly with this question so that the steps can be seen clearly.1) Multiply both the numerator and the denominator by 5 - 2(square root)7 2) FOIL the top half of the equatio...

EW
Answered by Ella W. Maths tutor
7094 Views

Study the Source "They Salute with Both Hands Now". What is the cartoonist's message?

The message of the cartoon "They Salute with Both Hands Now" is that in the Night of the Long Knives, Hitler turned on his previously loyal supporters, the SA, in order to consolidate his positi...

TP
Answered by Tiffany P. History tutor
44879 Views

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