2 years ago

What principal quantum number refers to:

1 answer:

4 0

The principle quantum number "n" represents the relative overall energy of each orbital, and the energy of each orbital increases as the distance from the nucleus increases. The sets of orbitals with the same "n" value are often referred to as electron shells or energy levels.

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As you have seen in this lab, the density of water is near 1 g/cm3. Anything with a density lower than this will float in water,

hammer [34]

The third answer is the one you want. You have to have an adjustable density. All other things being equal, if the tanks you use for holding just water when filled with water will let the sub sink, because the sub is made of a dense metal like iron or steel.

If on the other hand you fill these tanks with air, the net density will be below one and the sub will rise.

8 0

2 years ago

Read 2 more answers

How do we find the number of electrons in an atom?

Anon25 [30]

I Believe this is the right answer:

Get a periodic table of elements. ...

Find your element on the periodic table. ...

Locate the element's atomic number. ...

Determine the number of electrons. ...

Look for the atomic mass of the element. ...

Subtract the atomic number from the atomic mass.