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As you go down the horizontal rows, the energy levels increase.

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9y ago

Number of shells increases in a group. It remains same in period.

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Q: What happens to to the number of energy levels or shells as you move from left to right across rows or periods in the period table?
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Related questions

What happens as periods increase on the periodic table?

the principal energy levels of valence electrons increase.


What are the rows called in the periodic table?

Rows in the Periodic Table are called Periods.There are 7 periods in total.All the elements in period have same number of energy levels.


What does each row in the periodic table tell us?

The rows (periods) work out to be the energy levels, ex. if an element is in period 5, it has 5 energy levels.


Why some of the periods have different numbers of elements?

The early periods have less elements because they are filling up energy levels which hold only a few electrons. The later periods contain elements with electrons in levels with a greater capacity.


What do you notice about the energy levels in an atom of an element and the period the element is in?

the period number tells which is the highest energy level occupied by the electrons


A period is a horizontal row on the periodic table?

Yes, a period is a horizontal row on the periodic table.


What happens to electrons in the thylakoid membrane?

they return to their original energy levels.


What happens to the amount of energy in the pyramid as it moves up the levels of the pyramid?

it increases


What happens when the electrons relax?

As excited electrons drop back to lower energy levels in the atom, photons having the energy of the difference between the two electron energy levels are emitted from the atom.


What happens when electron jump from atom to atom?

It will absorb or emit energy, according to the difference in the corresponding energy levels.


How many energy levels does argon have?

At a ground state, argon has three energy levels. For future reference, just count the number of horizontal rows (also named periods) an element is from the top of the periodic table.


What happens a flame test?

Electrons are excited to higher energy levels and their emissions are observed.