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Across a period, the metallic character decreases.

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How does electronegative vary across a periodic?

The electro-negativity of elements increases as you move across a period.


How foes IE vary across a period?

it does


How does the atomic radius vary in a period?

Atomic radius decreases across a period from left to right, except for the noble gases.


What conclusion can be drawn about the relationship between the arrangements of elements on the periodic table and the patterns observed in there properties?

The arrangement of elements on the periodic table reflects their atomic structure and properties, with elements grouped by similar chemical behaviors and characteristics. This organization reveals periodic trends, such as electronegativity, atomic radius, and ionization energy, which vary systematically across periods and groups. As you move from left to right, elements typically become less metallic and more non-metallic, with increasing electronegativity. Therefore, the periodic table serves as a valuable tool for predicting and understanding the chemical properties of elements based on their positions.


How does the valency vary on moving down the group?

The valency does not (or tends not to) vary going up and down a group. It varies going across a period.


What is the difference3 between a family of elements and elements in the same period?

a family is a column of elements a period is a row of elements


How do physical properties differ as you move across a period or down a group?

Moving down a group, the elements will have the same number if valence electrons. Tis will give them similar properties, such as the Noble Gases, or the extreme reactivity of Group I metals. Moving across a period, elements will begin to resemble each other less and share fewer properties the further apart they are in the row.


Why does the number of elements from period to period vary?

the number of electrons in each orbital increases, so the number of electrons to form a noble gas configuration in ground state increses.


Why the oxidation states vary in a periodic but remains almost constant in a group?

Because within a group, the elements all have the same number of valence electrons, so their "combining power" (oxidation number) is relatively the same. In a period, the number of valence electrons increases going left to right, so the "combining power" changes.


What do elements in same atomic period have?

Elements in the same atomic period have the same number of electron shells. This means that they have similar properties related to the number of energy levels in their electron configurations. However, their chemical properties can vary due to differences in the number of electrons in their outermost shell.


In a series circuit how does the current differ at different places along that circuit?

In a series circuit, current will remain the same through all elements, and the voltage drop across elements will vary. So the answer is: it doesn't.


Elements in the same period have similar properties?

Elements in the same period on the periodic table have the same number of electron shells, which can result in similar chemical properties. However, elements in the same period can have different numbers of protons and electrons, leading to variations in atomic size and reactivity. Therefore, while elements in the same period may share some similarities, they can also exhibit distinct characteristics based on their atomic structure.