tahrequnderwood tahrequnderwood

20-01-2017
Chemistry

contestada

what is the total number of electron in an atom with an atomic number of 13 and a mass number of 27

Respuesta :

valaparla valaparla

20-01-2017

An atom is neutral. The number of protons are equal to the number of electrons. An atomic number of 13 indicates 13 protons. Since the atom is neutral, there are 13 electrons.

Answer Link

Otras preguntas

This seems like a great plan, but I also like to plan for later down the road. Juan what is your 5- to 10-year plan? I'm hoping to continue increasing our produ

The length of a sonometer wire AB is 110cm. Where should the two bridges be placed from A to divide the wire into 3 segments whose fundamental frequencies are i

These prisms are similar. Find the surface area of the larger prism in decimal form. Surface area of the smaller one is 90 meters^2 what is the area of the la

Turn the tax equation for the $160,400 < X < $321,450 bracket in the tax schedule to the tax equation for the same bracket in the tax worksheet

Why do biomes with high productivity have a lower ecological footprint?

If an employee works 5 days/week, how many regular employees can be covered by one relief employee?A. 1.5B. 2C. 2.5D. 3

A horizontal 715 N merry-go-round of radius 1.58 m is started from rest by a constant horizontal force of 77.4 N applied tangentially to the merry-go-round. Fin

What is a guarantee that a contractor will pay certain subcontractors, laborers, and material suppliers associated with the project known as?

George has some change in which there are the following coins: 5¢10¢20¢ 232 If George were to select two coins at random, what would be the odds of him getting

The clavicle has a roughened area called the deltoid tuberosity which provides___________