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The electron pattern is the same among elements in a family. This is the reason the Periodic Table is arranged as it is.

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9y ago
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9y ago

Non metals are placed to the right, in the corner. Also noble gases are placed in the last group, 18. Atomic radius decrease, atomic number, ionization energy, electronegativity increase.

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9y ago

From left to right, non metallic character increases. And chemical reactivity first decreases, then increases.

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Q: What patterns are observed left to right across a periodic table?
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What are patterns in the periodic table?

These are the patterns of the periodic table across the period. 1. The atomic radius reduces as we move across a period from left to right, 2. The ionization energy increases as we move across a period. 3. The electron affinity decreases as we move across a period. Learning them enables us to have a clear view of elements in the periodic table.


What trend is generally observed in electronegativity going across the periodic table from left to right?

From left to right and into the upper corner of the periodic table electronegativity increases. Fluorine is the most electronegative element, but the elements in group 18 generally have no electronegativity at all.


What trend is generally observed in electronegativity across the periodic table from left to right?

From left to right and into the upper corner of the periodic table electronegativity increases. Fluorine is the most electronegative element, but the elements in group 18 generally have no electronegativity at all.


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.


WHAT IS MEANT BY A PERIOD IN PERIODIC TABLE?

A period is a horizontal row in the Periodic Table. So far, there are 7 of them. Each period shows patterns as you go across it(left to right). On of the must-know patterns is that the number of period indicates how many orbitals (or energy levels) the elements in that period have. Other patterns include atomic radius and ionic radius.


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

it decreases


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

Periods.