mjimenez63 mjimenez63

01-10-2020
Chemistry

contestada

Determine the number of p+, e and nº in
Radon-230 and Radon-235.

Respuesta :

neima17 neima17

01-10-2020

These numbers are the isotope of the element radon.
Isotope means same number of proton but different atomic mass # for the same element.
So radon-230 has
P+ ->88
E ->88
N -> 230-88 = 142

Radon 235
P -> 88
E -> 88
N -> 235-88 = 147

Answer Link

Otras preguntas

factorize 2x^4-x^3-6x^2+7x-2

Match each prefix with its definition.Match Term DefinitionAnti A) PartlyMulti B) AgainstSemi C) Many

At a store, 2 gallons of milk cost $6. What is the value of the ratio of dollars to gallons of milk?A) Clear checkB) $0.33 per gallonC) $3 per gallonD) $4 per g

how many angels are in right angle name them

Associer chaque équation inéquation a sa représentation graphique

Which country experienced a civil war in 2005?a) Egyptb) Kenyac) South Africad) Sudan

Which of the following are non-modifiable risk factors for coronary heart disease? Check all that apply.a. Family history b. Low blood HDL c. Physical inactivit

Question 2 of 25 : Select the best answer for the question. 2. What is $3,850 minus $925 ? A. $925 B. $3,850 C. $2,925

what percent of 105 is 63

Write any two uses of sodium bicarbonate