adryannabayjay adryannabayjay

14-02-2018
Physics

contestada

An element has 4 protons, 5 neutrons, and 4 electrons. What is the atomic mass of the element

Respuesta :

kellykelllll kellykelllll

18-02-2018

beryllium: mass number of an atom = number of neutron + number of proton in the nucleus = 5+4=9

Answer Link

Otras preguntas

Is applauded a common noun

An AC generator consists of 20 circular loops of wire with an area of 75 cm2. It has a maximum induced voltage of 24 V. If its armature rotates at a frequency o

Which of the following sentences uses the colon correctly? OA. We ate the following foods: sauerbraten, knockwurst, and black forest cake. ОВ. I am so excited t

What would the seasons on Earth be like if its axis was tilted like Uranus, perpendicular to its orbit? What would the climate at your location be like compared

Can propose __________ (changes) to the constitution.

Which sentence most clearly contains an idiom? A. I'm really tired, so I'm going to go to bed. B. I came home late, so it's time to face the music. C. The meal

What are the 9 essential amino acids?

what is the definition of health

1. Chinese beautiful handwriting A Calligraphy B. Gomongo C. D. Logographs Chinese Alphabets

Having unlimited wants for products while having limited resources to create those products is known as A. supply. B. scarcity. C. capital.