Question: Quesstion Description Element X and Y have atomic numbers 20 and 8 respectively. i.Write the electron arrangement of their ions. (2mks) ii.Write the formula of

Quesstion Description

Element X and Y have atomic numbers 20 and 8 respectively.

i.Write the electron arrangement of their ions. (2mks)

ii.Write the formula of the compound formed between X and Y. (1mk)


Step by Step Solution

★★★★★

3.39 Rating (149 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Solution i ANS WER Element X atomic number 20 2 8 8 2 E... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

Q:

X and Y have joint density function f(x, y) = 1/x2y2 x 1, y 1 (a) Compute the joint density function of U = XY, V = X/Y. (b) What are the marginal densities?

Q:

The random variables X and Y have joint density function f (x, y) = 12xy(1 x) 0

Q:

The random variables X and Y have a joint density function given by Compute Cov(X, Y). 2e_Zr f(x,y) = 10 otherwise

Q:

A two-dimensional fluid element of dimensions dx and dy translates and distorts as shown in Fig. P469 during the infinitesimal time period dt = t 2 t 1 . The velocity components at point P at the...

Q:

A two-dimensional fluid element of dimensions dx and dy translates and distorts as shown in Fig. P469 during the infinitesimal time period dt = t 2 t 1 . The velocity components at point P at the...

Q:

Answer the following questions with a very briefly justification. (a) IfP{A} 0andP{B} 0,isitpossiblethatP{AB}=P{A}P{B}andP{AB}= P {A} + P {B} hold simultaneously? (b)...

Q:

Mark Harrywitz proposes to invest in two shares, X and Y. He expects a return of 12 percent from X and 8 percent from Y. The standard deviation of returns is 8 percent for X and 5 percent for Y. The...

Q:

Joint Products, Inc., produces two joint products, X and V, using a common input. These are produced in batches. The common input costs $ 8,000 per batch. To produce the final products (X and V),...

Q:

According to the companys website, the top 25% of the candidates who take the entrance test will be called for an interview. You have just been called for an interview. The reported mean and standard...

Q:

Reconsider Prob. 29.6-2. Now suppose that the manufacturer keeps a spare machine that only is used when the primary machine is being repaired. During a repair day, the spare machine has a probability...

Q:

Did Hanousek have the required mental state (mens rea) to be convicted of a crime? Why or why not? Edward Hanousek worked for Pacific & Arctic Railway and Navigation Company (P&A) as a roadmaster of...

Q:

A Chinese exporter sells $400,000 of toys to a French importer. The Chinese exporter requires the French importer to obtain a letter of credit. When the bank accepts the draft the exporter discounts...

Q:

30. Market Value Ratios (LO3) Earl Grey Golf Corp. has 25,000 shares of common stock outstanding, and the market price for a share of stock at the end of 2015 was $43. What is the priceearnings...

Q:

These selected condensed data are taken from recent balance sheets of Bob Evans Farms (in thousands). Compute the current ratio for each year and comment on yourresults. 2007 2006 Cash Accounts...

Q:

Refer to Exercise 15.14. Suppose the following input prices are provided for each year: 2012 2013 Unit price (power) .............. $ 2 ..................... $ 3 Unit price (materials) .......... 16...

Q:

Helena Company needs to increase its profits and so has embarked on a program to increase its overall productivity. After one year of operation, Kent Olson, manager of the Columbus plant, reported...

Q:

What would you expect the nominal rate of interest to be if the real rate is 5 percent and the expected inflation rate is 3 percent?

Q:

What would you expect the nominal rate of interest to be if the real rate is 4.5 percent and the expected inflation rate is 7.3 percent?

Q:

What is sampling method in statistics in graduate school intermediate

Q:

COMP 333 Racket Programming Project: List Functions Write a Racket program to define the following functions (rotate-left-1 x) x: list value: list description move all elements of the list one...

Q:

Write a Racket program to define the following functions (rotate-list-left x) x: list value: list description move all elements of the list one element to the left, head wraps around to tail hints if...

Q:

Youve been tasked with building an internal project management system for teams to track their projects. You dont need to build a UI for this application. Your job is to build the foundational...

Q:

Exercise I (50 points) Divide Search Consider the algorithm divide Search(A, p, r, x): the description of this algorithm is provided below. Inputs: a sorted array A - index p of the first element -...

Q:

Please answer the following question and justify your answers Exercise I (50 points) Binary Search Consider the algorithm binarySearch(A, p. r. x: the description of this algorithm is provided below....

Q:

A set (collection of elements without duplication) as a mathematical model is defined by the java interface below. public interface Set { public boolean isEmpty(); // Is the set empty? public void...