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as you go from left to right across the Periodic Table, you are adding one more proton every time hence increasing the nuclear charge of the atom. An increased nuclear charge means the nucleus attracts the electrons more to it hence the size of the atom decreases as it "tightens". hence the atomic radius decreases every time.
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Why does atomic size increase from left to right across a period?
atomic size decreases across a period
How is electronegativity related to atomis size?
Electronegativity is the ability of an atom to attract shared electrons in a chemical bond. It tends to increase as you move across a period from left to right due to increased nuclear charge. In contrast, atomic size generally decreases across a period from left to right due to increased nuclear charge pulling electrons closer to the nucleus.
Does an element on the periodic table decrease in atomic size when you move across a period from left to right and when you move down a group?
1. In a period is a trend of decrease from left to right but it is not absolute.2. In a group the atomic radius increase moving down.
How do the metallic properties of the elements change as you move from left to right on the periodic table?
Metallic character decreases as we move across a period. The electronegative character increases as we move across a period. So the element across the period will be non mettalic in nature.
When you go across the periodic table how does the atomic size go?
Atomic size tends to decrease as you move from left to right across a period on the periodic table. This is due to increasing effective nuclear charge, which attracts the electrons more strongly and pulls them closer to the nucleus.
Why the size of an atom does not decrease regularly in a period?
The size of an atom does not decrease regularly in a period due to the increasing nuclear charge as you move across the period. The increasing number of protons in the nucleus attracts the electrons more strongly, leading to a greater effective nuclear charge. This increased attraction causes the electrons to be pulled closer to the nucleus, resulting in a smaller atomic size. However, there are exceptions such as the noble gases which have stable electron configurations and do not follow this trend.
What is is the trend across a period?
The trend across a period refers to how a property of elements changes as you move from left to right across a row in the periodic table. For example, in terms of atomic size, the trend across a period is generally a decrease due to the increasing number of protons in the nucleus pulling the electrons closer.
Why does atomic size increase from left to right across a period?
atomic size decreases across a period
How is electronegativity related to atomis size?
Electronegativity is the ability of an atom to attract shared electrons in a chemical bond. It tends to increase as you move across a period from left to right due to increased nuclear charge. In contrast, atomic size generally decreases across a period from left to right due to increased nuclear charge pulling electrons closer to the nucleus.
Does an element on the periodic table decrease in atomic size when you move across a period from left to right and when you move down a group?
1. In a period is a trend of decrease from left to right but it is not absolute.2. In a group the atomic radius increase moving down.
Why size of atom does not decrease regularly in a periode?
pagal u tell
What accompanies an increase in atomic number within a specific period?
An increase in atomic number within a specific period corresponds to an increase in the number of protons in the nucleus of the atom. This leads to a higher positive charge, causing the outer electrons to be more strongly attracted to the nucleus. As a result, the atomic size tends to decrease across a period as atomic number increases.
Why does the size of the elements decrease across a period?
In a period, the number of shells of all the elements is same. So, this basically means that all must have the same radius or same size. but, this is not the case because, as we move across a period, one electron gets added. So, as the negative charge of the atom keeps increasing or as the atomic number keeps increasing, the number of positively charged protons also keeps increasing. This means, there is more nuclear force of attraction between the nucleus ( where protons are present) and electrons of the atom. Thus, this nuclear force causes the nucleus to hold on to the electrons more tightly ,i.e, the electrons get closer to the nucleus which means the shells which contain the electrons are pulled closer. This means, the atom's radius keeps decreasing. Thus, across a period, the atomic size decreases due to the increasing nuclear force of attraction.
How do the metallic properties of the elements change as you move from left to right on the periodic table?
Metallic character decreases as we move across a period. The electronegative character increases as we move across a period. So the element across the period will be non mettalic in nature.
Does elements on the periodic table decrease in atomic size when you move across a period from left to right and when you move down a group?
Atomic size generally decreases as you move across a period from left to right due to increasing effective nuclear charge. However, atomic size tends to increase as you move down a group due to the addition of more electron shells.
When you go across the periodic table how does the atomic size go?
Atomic size tends to decrease as you move from left to right across a period on the periodic table. This is due to increasing effective nuclear charge, which attracts the electrons more strongly and pulls them closer to the nucleus.
Why the size of atom does not decrease regularly in a period?
pagal u tell
