MarlaWeader110 MarlaWeader110

26-04-2015
Chemistry

Answered

Explain, in terms of electrons, why the radius of a potassium atom is larger than the radius of the potassium ion in the ground state.

Answer :

lulu1991 lulu1991

10-05-2015

Because the potassium atom has 19 electrons and there is four layers of electrons as 2, 8, 8, 1. And for potassium ion, there is 18 electrons. It has there layers of electrons as 2, 8, 8. So the radius of potassium atom is larger than potassium ion.

Answer Link

Other Questions

What principle governs the movement and interactions of individual magnetic cubes in a mechanical system?A) Newton's Laws of Motion.B) Coulomb's Law.C) Magnetic

Rachel lifts a 7.00kg box onto a shelf 1.5m off of the floor. The box slips off of the shelf and falls to the floor. What is the velocity of the box the moment

Based on the information in the table, what is the share price when the price to book (P/B) multiple of a comparable company is 17x? Income Statement Millions,

If an individual consumer is willing to pay $18 for one unit of a good but is able to purchase it for $12, then his or her consumer surplus from the purchase of

The Greek "acropolis" was ALL of the following except:a. A walled cityb. Had temples and monumentsc. Was surrounded completely by waterd. High on top of a hill

What factors would you consider why the outside world discover the highlands people and their culture only in the 20th century?Explain;

Why is the price elasticity of demand of broccoli so different from that of gasoline?

A brick of mass [tex]2.3 \, \text{kg}[/tex] is lifted to a height of [tex]1.9 \, \text{m}[/tex]. How much gravitational potential energy is added to the brick?

\begin{tabular}{|c|c|}\hline[tex]$x$[/tex] & [tex]$f(x)$[/tex] \\\hline-3 & -16 \\\hline-2 & -1 \\\hline-1 & 2 \\\hline0 & -1 \\\hline1 &

Which of the following is not a property of the Biba security model?a. People can't write to a higher clearance level than their own.b. People can't read from a

Write a diary entry about your plans for the future in 100-150 words.

The piece of ice is floating on the water and if the temperature of water decreases 25 degree Celsius to 4 degree Celsius then the water level will be

What is a medication order?A. A label printed on the container that says specifically how to take the medicineB. A doctor's order for a patient to receive medic

Answer each of the following questions according to the instructions given. Question 1 (a–b) is based on the following paragraph. There are many types of rai

Simplify the following expression:[tex]\[ \sum_{k=1}^4 k - \sum_{k=2}^8 (2k - 3) + \sum_{k=5}^{12} 2k^2 \][/tex]

Choose the option that best matches the job responsibilities given.A. forensic entomologistB. forensic odontologistC. forensic anthropologistD. forensic toxicol

Which element has the lowest electron affinity?A. FB. NaC. Rb

How many chromosomes does a human cell have?

What is the solution to this equation?[tex]\[ 4(5x + 3) = 14x + 30 \][/tex]A. [tex]\( x = 7 \)[/tex] B. [tex]\( x = -3 \)[/tex] C. [tex]\( x = -7 \)[/tex] D.

podrían ayudarme con la fórmula del N-metil-4-pentamina