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

What is 4.5% as a fraction in the simplest form? Also what is 4.5% as a decimal to the nearest thousandth?

What is the least common multiple between 8 10 and 12

When asking data owners questions to determine how sensitive or critical their data is, you should ask what type of question to get unbiased answers?

What did the 38th demand of the Magna Carta (Primary Sources) basically say

What multiplies to 14 and adds to -15?

How do you identify subjects?

Explain why an individual that is heterozygous for this inversion would be partially sterile

High-pressure systems typically form over the atlantic ocean during the summer. if such systems did not form as often, _______ would become _______.

What is the purpose of the rm step, develop controls and make risk decisions?

The factors of production include natural resources, labor, government assistance, and entrepreneurship. a. True b. False