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Two things happen when you move from right to left. First, the number of valence electrons increases from one to eight. Secondly, the number of protons increases from three to ten. There is also the transition from alkali metal to alkaline earth metal to metalloid to nonmetal to halogen to noble gas.

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9y ago
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12y ago

The electronegativity increases across the periods from left to right.

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9y ago

As you move left to right across the second period of the Periodic Table ionization energy increases. The trend for ionization energy is increasing up groups and across periods.

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the size of cations decreases as we go left to right in the periodic table

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12y ago

ionization energy increases

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Q: When moving from left to right across the periodic table the size of cations?
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Related questions

Moving across a period on the periodic table from left to right?

ionization energy


What happens to the reactivity of left to right across the periodic table?

Across a period, as we move from left to right, the electronegativity increases in the periodic table.


What sub atomic particle increases as you move to the right across the periodic table?

Electronegativity increases as you move across the periodic table from left to right.


What sub atomic particle increasesas you move to the right across the periodic table?

Electronegativity increases as you move across the periodic table from left to right.


How do atomic radii change from left to right across a horizontal row of the periodic table and what is the main reason?

Atomic radii decreases on moving from left to right as the effective nuclear charge increases.


How does electronegative change going down and across the periodic table?

Electronegativity increases across (left to right) the periodic table and decreases on going down.


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 Electronegativity trend across the periodic table?

Electronegativity increases across a period (left to right).


Does nuclear charge increases as you move from left to right across the periodic table?

moving from left to right across a period, one electron is added for each element.example: Boron has 3, Carbon has 4.


Describe the trends in first ionization energy within groups and across periods in the periodic table Provide examples?

When moving left to right across the PT the ionization energy increases. As you go down, the ionization energy, decreases.


What do you call the rows that run from left to right across the periodic table.?

Periods.


Does atomic size increase from left to right across the periodic table?

it decreases