Table of Contents
Why does atomic size increase as you go down a group?
Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital. This results in a larger atomic radius.
Why does atomic size increase as you go down a grouping in the table quizlet?
Why does atomic radii increase as you move down a group? The number of energy levels increases as you move down a group as the number of electrons increases. Each subsequent energy level is farther from the nucleus than the previous one. Therefore, the atomic radius increases as the group and energy levels increase.
Why do atoms get smaller as you move left to right in a period?
Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge. Since the force of attraction between nuclei and electrons increases, the size of the atoms decreases.
Why does the atomic size of the elements increase as you look down the first group quizlet?
Why does atomic size increase as you move down a group? Electrons are added on and shielding is enlarged.
Do atoms generally get bigger or smaller as you go down a group in the periodic table?
An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements. In general, the size of an atom will decrease as you move from left to the right of a certain period.
Why do atoms get smaller as you move left to right in a period quizlet?
Why do atoms get smaller as you move left to right in a period? The # of protons increase, so electrons are more attracted to the nucleus, so the atomic radius is smaller.
Why does the size of an element increase as you move down the periodic table?
If you look at the table, you can see there is a clear trend in atomic radius. Atomic radius is one of the periodic properties of the elements. As you move down an element group (column), the size of atoms increases. This is because each atom further down the column has more protons and neutrons and also gains an additional electron energy shell.
Why does the size of an atom increase as you move from left to right?
As we move from left to right in a period , number of electrons in shell increase , so effective nuclear charge ( force of attraction between nucleus of atom which has +ve charge and electrons which have -ve charge) increases so shells are closer to nucleus and atomic size is less .
What happens to the atomic radius as you move down a group?
The number of energy levels increases as you move down a group as the number of electrons increases. Each subsequent energy level is further from the nucleus than the last. Therefore, the atomic radius increases as the group and energy levels increase.
How does atomic size change with period number?
Answer: Atomic size increases with increase in period number. (as we move from above to below in a group) Atomic size decreases as we move from left to right in a period.