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Does the atomic radius increase as you go from left to right because principal energy levels are added?
Wiki User
∙ 13y ago
It is not possible to give a sensible answer to this question because, in terms of the Periodic Table, the atomic radius DECREASES as you go from left to right! So the given reason would act in opposition to reality.
Wiki User
∙ 8y ago
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What happens as periods increase on the periodic table?
the principal energy levels of valence electrons increase.
What is the trend in atomic mass going down a group?
The atomic mass will increase. As you go down a group in the periodic table the atomic number rises, this increase in the number of protons is accompanied by an increase in the number of neutrons to stabilise the nucleus, and both together lead to an increase in atomic mass.
Why does ionization potential increase with an increase in atomic number in the period but decreases in a group?
As you go from left to right on the periodic table, the atomic number increases, but the principal quantum number (number of shells present) does not. Therefore, as the nuclear charge increases, this increases the amount of energy required to remove an outermost electron (ionization energy). However, as you go down the periodic table, the principal quantum number (number of shells) increases. As more and more shells of electrons are added between the outermost shell and the nucleus, these inner shells contribute a "shielding effect" to the outermost electrons, due to interelectron repulsion, which reduce the ionization energy of an atom, because it acts slightly in opposition to the nuclear charge attracting those electrons.
What happens to the atomic radius as you go across a period?
It decreases as you move from left to right because there is an increase in positive charge in the nucleus as you go from left-to-right. Each time you go over an element it has one more electron and proton added to the principal energy level, so the nucleus pull increases and it holds the valence electron in tighter.
What types of atomic orbital are in the third principal energy level?
The principal energy level is three, so there are three sublevels: 3s, 3p, and 3d. S,P and D
What happens as periods increase on the periodic table?
the principal energy levels of valence electrons increase.
Why does the ionization energy tend to decrease from top to bottom within a group?
there is an increase in atomic number and atomic size down the group due to addition of extra shells.this increase in the atomic size overcomes the effect of an increase in the nuclear charge.Therefore ionisation energy decreases with an increase in atomic size i.e.,it decreases as one moves down a group..
What is the trend in atomic mass going down a group?
The atomic mass will increase. As you go down a group in the periodic table the atomic number rises, this increase in the number of protons is accompanied by an increase in the number of neutrons to stabilise the nucleus, and both together lead to an increase in atomic mass.
What are the two variables that affect atomic size within a group?
Increase in positive charge draws electrons closer to the nucleus. Increase in the number of occupied orbitals shields electrons in the highest occupied energy level from the attraction of proteins in the nucleus.
Why is atomic energy called atomic energy?
because it is from an atom. think about it atom-ic. not that hard of a concept
Why does ionization potential increase with an increase in atomic number in the period but decreases in a group?
As you go from left to right on the periodic table, the atomic number increases, but the principal quantum number (number of shells present) does not. Therefore, as the nuclear charge increases, this increases the amount of energy required to remove an outermost electron (ionization energy). However, as you go down the periodic table, the principal quantum number (number of shells) increases. As more and more shells of electrons are added between the outermost shell and the nucleus, these inner shells contribute a "shielding effect" to the outermost electrons, due to interelectron repulsion, which reduce the ionization energy of an atom, because it acts slightly in opposition to the nuclear charge attracting those electrons.
What is the correlation of ionization energies to atomic radii for the elements?
In a group the ionization energy decrease when the atomic radius increase; in a period this relation is not generally valid.
What factors contribute to the decrease in ionization energy within a group in the periodic table as the atomic number increases?
as atomic number is increase the size of the atom goes on increasing as more number of electron is added to the outer most orbit so the nuclear force exerted by the nucleus on electron is less so the affinity to loose electorn is more as the atomic number is increase that is the reason ionization energy decrease with increase in atomic number
Why does the atomic size decrease as you go from bottom to top?
The nuclear charge increases and electrons are added to successively higher principal energy levels.
Why is the nuclear energy called nuclear energy?
Because it comes entirely from the Atomic Nucleus.
How does the atomic radius change down a group in the periodic table?
because new shell are being added as we move down the group and the electron is being far away from the nucleus so the attraction bettween the nucleus and the electron is smaller It means that their is a less use of ionisation energy . Therefore, atomic radius increase down the group.
Why drift velocity increases on increasing temperature?
because the kinetic energy of electron increase with increase in temperature. this increase in kinetic energy increase drift velocity
