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this is called periodicity, the chemical properties of elements as you go across a period.

The reactivity would be very great at first, especially if you are only crossing main group elements, and then would become less reactive, then very reactive again, and then one group over they would be completely inert

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10y ago
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14y ago

It isn't, though there are some general trends: nonmetals tend to be more active up and to the right, metals tend to be more active down and to the left.

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11y ago

increases down a group and decreases across a period

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Q: How does reactivity of elements change across the periodic table?
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Related questions

How does chemical reactivity change as you move across the periodic table?

Chemical reactivity first decreases.then it increases as we move across a period.


What happens to the properties of elements across any periodic of the table?

Across any period, the properties of elements gradually change. This gradual change is called a periodic trend.


Properties of elements change according to a pattern across the?

Groups of the Periodic Table of Elements.


How does reactivity change as you move across the periodic table?

the elements on the left side are most reactive. reactivity decreases as you move to the right. the noble gases (last group) are least reactive.


What is true about the properties of the elements in any one period of the Periodic Table?

All of the elements in any one period of the Periodic Table have the same number of valence electrons.


How does the the reactivity of metals change when moving from left to right on the periodic table?

The metals on the left side of the periodic table are considered to be highly reactive to air while in room temperature. The ones on the right side are less reactive and are often used for construction.


How do elements change going down the periodic table?

Down a group, the atomic number generally increases, size increases, ionization energy decreases, reactivity increases.


Do elements change from metals to non metals from left to right?

Yes, elements generally change from metals to non-metals from left to right across the periodic table. In the periodic table, elements are arranged in order of increasing atomic number, and as you move across a period from left to right, the properties of the elements change from metallic to non-metallic. The left side of the periodic table consists of metals, the middle consists of metalloids, and the right side consists of non-metals.


What happens to the state of matters you go across the periodic table?

Across the period (left to right), the elements tend to change from solids (metals) to gases (non metals).


How does the reactivity of each group of metals change across the table from the right?

Reactivity of metals decreases from left to right in the specific period of theperiodic table.


What is pattern of repeating properties of elements revealed in the periodic table called?

The answer to, ' when repeating chemical and physical properties of elements change periodically with the elements' atomic numbers it is called the?'Periodic law, is the answer. PERIODIC LAW !orPeriodicity of the chemical elements properties.


How does the reactivity of each group of metals change across the table left to right?

Reactivity of metals decreases from left to right in the specific period of theperiodic table.