fqjenfiq6901 fqjenfiq6901

10-08-2017
Chemistry

contestada

The atomic number of this element is 9 and its mass is 20. how many neutrons does this element have?

Respuesta :

Willchemistry Willchemistry

16-08-2017

Hey there!

n = A - Z

n = 20 - 9

n = 11

Answer Link

faizanshaukat89 faizanshaukat89

03-02-2020

Answer:

11 neutrons

Explanation:

Mass no. = 20

atomic no. = 9

no. of neutrons = mass number - atomic number

= 20 - 9

= 11 neutrons

Answer Link

Otras preguntas

The strip is about how many cm long?

Using 3 examples, explain how your health is influenced by ecosystem services

description of the inside of a haunted house without using "I" or "you"?

True or False 1. if historians decide that a document is specious, they will probably write a paper about its importance 2. The quality of sentience is evident

you have three fifths of a pie you divide the remaining pie into 5 equal slices what fraction of the original Post in each slice

Which type(s) of people did not belong to any of the three estates in medieval English society? Select all that apply. nobles peasants scholars tradesmen

Once alcohol has passed into the large intestine it is ___ absorbed into the bloodsteam

Using pi, explain the relationship between the circumference and diameter of a circle.

Which of the following distinguished the Middle Colonies from New England and the Southern Colonies? A. representative government B. prohibition of slavery C.

Hannah's horse eat 12 pounds of food every day how much food will have a need for the month of January?