gunner06 gunner06

01-11-2018
Chemistry

contestada

A calcium ion has a +2 oxidation number it has 20 protons and _____ electrons.

Respuesta :

autumnhuntmarch1 autumnhuntmarch1

02-11-2018

a calcium ion has 20 protons and 18 electrons.

Answer Link

Otras preguntas

which best describes the significance of the magna carta as a precursor for modern democracy

HELP PLZ I DONT WANT TO FAIL MY TEST.A stone is dropped from a height of 7.70m. How fast is it going when it is 5.25m above the ground? Use energy to solve.

8.006 minus 6.38 awnser

So I'm very confused on where to even start. We are using Pythagorean theorem

plz answer asap as fast as possible

What a improper fraction of 9/6

What is the value of b in the equation 3b + 2(b – 1) = 8? (4 points) 2 5 8 10

Name four muscles that compress the abdominal contest

Which statement about numbers on the vertical number line is true? A.) On the vertical number line, the opposite of -3.5 is located above 4.5 B.) On the vertica

Please help! Is this correct?