Chemistry, asked by vishalrithu2020, 2 months ago

An ion X^2+ has 18 electrons. (i) What is its atomic number and mass number.(ii) Write the

formula of the compound formed when X reacts with oxygen and predict its nature.

Answers

Answered by farhaanaarif84

1

Answer:

a) Configuration of X(19)=2,8,8,1.

b) It belongs to fourth period and its valency is 1.

c) Basic oxide (X

2

O)

d) X

2

O+H

2

O→2XOH

Answer verified

Previous Question

Next Question

Similar questions

English, 1 month ago

Join the sentences to make one complete sentence without using and, but, so. [7] a) You will have to complete the working by this evening. I will pay you the full amount. b) Someone may reveal the secret. But he will be punished. c) I was climbing the cliff. Suddenly a gust of wind nearly blew me off the cliff. d) The sentence is difficult. He cannot translate it without help. e) He is bold.

India Languages, 1 month ago

प्रश्न 5:- संस्कृत भाषाया अनुवादं कुरुत 1. किस्मे लड़ाई झगड़ा नहीं होता है 2. सभा की क्या परिभाषा है ? 3. विद्यार्थी को क्या त्याग देना चाहिए ? 4. वनों का क्या महत्व है ? 5. बेलिपी कैसी होती है ?

Math, 1 month ago

15)The solution of y/5 = 10 is...

Chemistry, 2 months ago

what is noble gas ?

English, 2 months ago

u couldnt enjoy much during your last summer vacation due to covid lockdown.Write an e-mail to your friend describing how u plan to spendyour upcoming summer vacation following all safety measures...

English, 8 months ago

1 2. ... 3. Cheena is as old as 4. 2. Fill in the blanks with suitable personal pronoun. Follow the example, Example. There is not much difference between you and her (she/her) 1. He invited ....mul.......... (I/me) to me... (I/me) to .. tw .. (his/ him) birthday party (They/Them) themselves took that decision ..... (I am/me). (her/she) is my cousin from Delhi. (I/me) who called you up in the...

Math, 8 months ago

5. A 3- digit numbest was rounded of to the nearest hundred and the result was 800. find the interval of the original number solve this question ...

Math, 8 months ago

9604 plants are to be arranged in such a way that the no. of plants in each row is the same as the no. of plants in each column. how many plants are arranged in a column...