odamearay123 odamearay123

20-04-2021
Physics

contestada

the atom of an element x has 21protrons and 23neutrons. What is the
(a) Electron number
(b) Mass number
(c) Neutron number

Respuesta :

jadanora2015 jadanora2015

20-04-2021

A. 21 electrons
B. 44
C. 23 neutrons

Answer Link

Otras preguntas

If more states legalize recreational marijuana, what is the likely effect on the supply of marijuana?.

1. It costs $5820 to get new windows for a certain house. Each of the 28 windows costs the same amount. (a) Determine an estimate for the cost of each window. J

A line passes through the point (8,-8) and has a slope of -5/4 Write an equation in slope-intercept form for this line.

Why did people settle in the area where the Hudson's Bay Company was located? To make money through trading To make money by building a church O To make money b

Two 7.0cm×7.0cm metal electrodes are spaced 1.0 mm apart and connected by wires to the terminals of a 9.0 V battery. Part B What is the potential difference bet

The students of Mica Area High School "wanted to define" Stargirl but struggled to do so. What does it mean to define a person? Explain the meaning of this word

Are urban legends always false? Explain.

What phases includes all of the stages of mitosis but no other events?

Determine the number of real solutions for each of the given equations. y=-3x² + x + 12 y=2x^2 - 6x + 5 y=x^2 + 7x - 11 y=-x^2 - 8x - 16

A car uses 3 1/8 gallons of gasoline per hour when driving on the highway, how many gallons will it use after three hours?