ibnsaleemm658
ibnsaleemm658 ibnsaleemm658
  • 02-10-2020
  • Chemistry
contestada

PLEASE ASAP
A calcium atom has 20 protons, 18 electrons, and 20 neutrons. What is the charge on the atom?

Respuesta :

william77mallette william77mallette
  • 07-10-2020

Answer:

Ca2+ represents an ion with 20 protons and 18 electrons.

Explanation:

A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of two electrons: 20-2=18.

Answer Link

Otras preguntas

What is the most appropriate way to present the data below? A.bar graph B.chart C.line graph D.pie graph
A car has a length of 193.2 inches. A scale drawing is made using a ratio of 20:1 . What is the length of the scale drawing?
In what ways did the Treaty of Versailles not solve the problems created by World War I? multiple choice It advanced new war strategies such as mechanized warfa
Question 1 Characters in movies, television, and video games often display risk-taking behaviors. How does this affect violence in everyday life? (6 points)
In a survey 7 out of 8 dentists recommend a ProTooth toothbrush.Based on this information,which can the toothbrush company predict about its recommendations
can i get help please​
to cancel a term.its necessary to add the _____to both sides of the equation​
Need help with this question
What is the scientific notation of 696,000?
HELP!!! (BRAINIEST) ASAP!! <3Which of the following is an example of a nonexempt employee? A physician A lawyer A store manager who receives an annual salary