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 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 discovery of Hammurabi's law code was an important archaeological find because it __________. was the first law code developed in the Middle East showed tha
Who is the first President?
Help please The Indian leader who advocated a nonviolent approach to independence was _____. Bose Gandhi Nehru Akbar
What carries nerve impulses across the gap between two nerve cells?
Nature of the predicate
Who was the winning general for the North in the Civil War? Ulysses S. Grant Robert E. Lee Abraham Lincoln Winfield Scott
During which process is water produced? A: alcohol fermentation B: acetyl CoA formation C: electron transport chain D: citric acid cycle
Who was Robert Oppenheimer?
With which of the following does the growth rate decrease as the population gets bigger? Select one: a. Exponential growth b. Zero growth c. Logistic growth d.
which is the correct order of processes that occur for water to move from a lake to a cloud and then turn into rain