crazylogic6606 crazylogic6606

25-08-2018
Chemistry

contestada

An element has an atomic number of 78. the number of protons and electrons in a neutral atom of the element would be _____.

Respuesta :

05-09-2018

78 and 78. An atom of the element has 78 electrons and 78 protons.

The atomic number is 78, so the atom has 78 protons (+).

If the atom is neutral, it must contain 78 electrons (-).

Answer Link

Otras preguntas

What makes sinkholes form?

Help with this please

A 50 kg boy jumps off the back of a 4 kg skateboard. At the start, the boy and board are moving together at 5 m/s. The boy’s velocity after the jump has been re

the lucas manufacturing company has two production departments (fabrication and assembly) and three service departments (general factory administration, factory

Multiple choice can someone please answer

Which of the following is an example of dispositional attribution? A. Maria didn't study for the test because she has senioritis. B. Maria didn't study for the

SOMEONE PLEASE HELP ME ASAP PLEASEEE!!!

First, write an online article that helps readers understand an issue related to the environment. This half of the assignment should present evidence from credi

Select two ratios that are equivalent to 4: 18. Choose 2 answers: (А) 1:3 В 2:9 18:4 10 : 80 8:36

In the last quarter of 2007, a group of 64 mutual funds had a mean return of 3.9% with a standard deviation of 6.7%. If a normal model can be used to model