S8wxwmpzsmgo S8wxwmpzsmgo

Chemistry

Answered

2
Which of the following notations is the correct noble gas configuration for Sr?
OA. [Ar]4s2
OB. [Ar]5s2
OC. [Kr]4s2
OD. [Kr]5s2

Answer :

Genetabrehalgnago Genetabrehalgnago

Answer:

D

Explanation:

we use noble gas configuration of Kr because Kr atomic number is nearest to Sr

the atomic number of Kr and Sr

is equal to 36 and 38 based on this we write the electron configuration

1s2 ,2s2 , 2p6 , 3s2 , 3p6 , 4s2 , 3d10 , 4p6 === Kr and 5s2

Answer Link

Go Teaching: Other Questions

Which Of The Following Parts Of The Ad Should Mark, The Owner Of Mark's Territory, Change? A. Mangy Mutt B. Certified Groomer C. Following Services D. Prized Po

Which Of The Following Shows The Proper Configuration For The Straight Chain Isomer Of Butane?

People Use philosophy to Develop A Digital Identity That Reveals Their Personal A. Usernames B. Social Media C. Internet Etiquette D. Online Reputations SUBMIT

The Polynomial Below Is A Perfect Square Trinomial Of The Form A^2 - 2AB + B^2 9x^2 - 12x + 4 A. True B. False

Should There Be Anything That Gets In The Way Of You Making Money?

The Value Of A Share Of Stock Decreases In Value At A Rate Of $1.10 Per Hour During The First 3.5 Hours Of Trading. Enter And Solve An Equation To Find The Decr

Why Was The Industrial Revolution So Revolutionary.

You Have $1000 Invested For 3 Years And Get 10% Interest.

Write The Word Sentence As An Inequality. 1. A Number X Divided By 3 Is At Most 5 An Inequality That Represents This Word Sentence Is ____ .

1 2 3 4 4. Which Statement Best Describes The Relationship between Specificity And Self-defining Memories? O A The More Specific The Memory, The More Likely It

Please Give Me The Answers

Please Answer This Relatively Quickly, I'm Not In Very Much Of A Rush But Would Like To Get This Done.