Gamingirl9600 Gamingirl9600

03-08-2017
Chemistry

contestada

Calcium’s atomic number is 20. it forms ions with 18 electrons. what is the electrical charge of a calcium ion?

Respuesta :

Vannah123456789 Vannah123456789

04-08-2017

It would be a positive charge because it lost two electrons, if the charge was neutral it would be the same amount of protons and electrons, if the charge was negative the electrons would be 20 instead of 18. So in this case it is positive.

Answer Link

Otras preguntas

The abbreviation for the disorder characterized by short attention span and poor concentration is:

trusting others on the job can be dangerous

How many significant digits are in this number 85 000?

Direct democracy is most likely commonly found in A. Large group of states B. Small groups of people C. Large groups of people D. Small groups of state

I don't understand the question - for that reason I don't know what to do to answer it. Can someone help please ?

Five different ways in which SATourism promotes tourism development and growth in South Africa as a destination of choice both local globally

Write the explicit formula that represents the geometric sequence-2, 8, -32, 128

The abbreviation for the disorder characterized by short attention span and poor concentration is:

11 12 Which statements about Outcasts United express theme? Check all that apply. Jeremiah’s mom is overprotective. being new to a country One person can hel

What should you be most concerned about when you see this sign?