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

Which of the following reasons explains why the Islamic Golden Age was successful?

Japanese aggression toward China and Russia in the 1930s is most closely related to the concept of Lebensraum. isolationism. Mein Kampf. appeasement.

Which of the following could be a slant cross section of a right cone? a. sphere b. oval c. triangle d. circle

can a single cell be a living thing? explain

How are primary and secondary succession similar?

Which organelle breaks down sugar molecules that supply energy to the cell

The end of the war in Europe compared to the end of the war in the Pacific?

Which of the following reasons explains why the Islamic Golden Age was successful?

True or False A main difference between the ancient Greek and Roman governments was that in Rome all men could vote, while in Greece only the wealthy men had th

Those people who favor allowing or increasing immigration levels state that newly arrived immigrants: