paigedelsigne paigedelsigne

03-09-2017
Chemistry

contestada

What is the net charge of an element that has 15 protons, 17 neutrons and 18 electrons?

Respuesta :

faith102 faith102

03-09-2017

subtract the number of electrons from the protons. neutrons have no charge so those don't matter in the formula

Answer Link

Otras preguntas

Erin has a house. The length is 15 ft., the height is 12 ft. and the width is 7ft. what is the area?

will someone help me on this por favor

7. Ways to build confidence

What is the pre-image of vertex A' if the image shown on the graph was created by a reflection across the y-axis? (-8,-6) (-6, 8) (8,6) (6,-8)

state the order of operations in -2(x-5)^2+8: 1. 2. 3.

Red and yellow paint are mixed to make orange. Sam mixes 600 ml of red with 400 ml of yellow. Write the ratio of red to yellow. Give the ratio in its simplest f

How do you solve X•1/5=60

The length of each side of a square is increased by 6 inches, so the perimeter is now 36 inches. Write and solve an equation to find the original length of each

solution of 1/2m = 0

82 Determine the magnitude of force P needed to start towing the 40-kg crate. Also determine the location of the resultant normal force acting on the crate, mea