Chemistry, 27.01.2021 20:40 GachaSkylarUwU

A main group element with the valence electron configuration 3s23p1 is in periodic group . It forms a monatomic ion with a charge of . A main group element with the valence electron configuration 4s24p5 is in periodic group . It forms a monatomic ion with a charge of .

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Electron configuration is the arrangement and distribution of electrons of an atom in an atomic orbital or of a molecule in a molecular orbital.

They are arranged according to the energy levels known as 1, 2, 3, 4, 5, and in the shells namely K, L, M, N.

1.The correct answers for the blank are:

blank 1: III A groupblank 2: +3

In the periodic group III A the element with electronic configuration

$3s^{2} 3p^1$

is aluminium (Al) and the monatomic ion formed will be +3 charge.

2. The correct answers for the blank are:

blank 1: VII A groupblank 2: -1

Chlorine (Cl) is the main group element with electronic configuration of

$4s^{2} 4p^5$

and the charge of the monatomic ion is -1.

To learn more about electronic configuration follow the given link:

link

A main group element with the valence electron configuration 3s23p1 is in periodic group . It forms

Answer from: han68

Follows are the solution to this question:

Explanation:

Please find the complete question in the attachment file.

In option a)

In the periodic group of $3s^2 \ 3p^1$ main group component to valence electronic structure (IIIA group) and Aluminum (Al). The monatomic ion forms a load of (+3)

In option b)

The Chlorine within the periodic group (VIIA group) is the main group element for valence electron configuration $3s^2\ 3p^5$ (Cl). It constitutes a monatomic ion with a load of (-1).

Answer from: Quest

explanation:

Answer from: Quest

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

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