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Why do atomic numbers increase from left to right across any given row of the periodic table?
Wiki User
∙ 11y ago
Because in Periodic Table elements are arranged in increasing order of atomic no: and this indicate that in any given row no: of protons gradually increases one by one from left to right
Wiki User
∙ 11y ago
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Does atomic size increase from left to right across the periodic table?
it decreases
What does the periodic law establishes?
The Periodic Law states that: The principle that the properties of the elements recur periodically as their atomic numbers increase.
When you go across the periodic table how does the atomic size go?
Atomic size decreases across the rows of the periodic table
What is the atomic number and its trend on the periodic table?
The atomic number of an element is the number of protons in the nucleus of one atom of that element. In general, atomic numbers increase as you move to the right and down in the table.
What are the two criteria that are responsible for the arrangement of the periodic table?
The elements in the modern periodic tables have been arranged on the basis of their atomic numbers.
How do atomic numbers and atomic masses increase in the periodic table?
The atomic number and atomic masses increase as you move from left to right.
Does atomic size increase from left to right across the periodic table?
it decreases
What happens to the atomic number as you go from left to right across the periodic table and why does this happen?
Periods on the periodic table refer to the rows of elements. As the elements progress to the right, the atomic numbers increase, usually in steps of 1.
How much does the number increase by as you go across a row on the periodic table?
The atomic number increases by 1 as one go across a row on periodic table. The elements are arranged in order of increasing atomic number.
How much does the atomic number increase bye as you go across a row on the periodic table?
Atomic number increases by one as we move from left to right in a periodic table.
What does the periodic law establishes?
The Periodic Law states that: The principle that the properties of the elements recur periodically as their atomic numbers increase.
How are the size of the elements effected on the periodic table?
Atomic size increase down the group and decreases across the period.
When you go across the periodic table how does the atomic size go?
Atomic size decreases across the rows of the periodic table
What happens to the reactivity of elements in groups as the atomic numbers increase across a period?
they become more reactive since you are moving from left to right on the Periodic Table, the elements in group 17 are the most reactive.
What happens to reactivity of elements in groups labeled a as atomic numbers increase across a period?
they become more reactive since you are moving from left to right on the Periodic Table, the elements in group 17 are the most reactive.
How does the atomic raduis change across a period of the periodic table?
Atomic radius usually decreases from left to right across a period of the periodic table.
How does the atomic radius increase or decrease horizontally on the periodic table?
Atomic radius decreases horizontally in periodic table. This is due to increase in nuclear charge.
