Chemistry, asked by shubhangishetey, 5 months ago

i) An element has its electronic configuration as (2, 8, 7).

Now answer the following questions:

1) To which period does this element belong?

2) With which of the following elements would this element resemble? Why?

Atomic numbers are given in the brackets: O(8), Mg(12), Si(14), F(9)

Answers

Answered by sam413

Answer:

Element is Chlorine

Explanation:

(1) Period is 3

The no. of shells is the period no.

(2) It will resemble to F(9) because they

both are halogens.

halogens are non metals which are not found in nature in free State. There are five metals and they all belong to group 17.

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i) An element has its electronic configuration as (2, 8, 7). Now answer the following questions: 1) To which period does this element belong?2) With which of the following elements would this element resemble? Why? Atomic numbers are given in the brackets: O(8), Mg(12), Si(14), F(9)​

Answers

i) An element has its electronic configuration as (2, 8, 7).

Now answer the following questions:

1) To which period does this element belong?

2) With which of the following elements would this element resemble? Why?

Atomic numbers are given in the brackets: O(8), Mg(12), Si(14), F(9)