ibnsaleemm658 ibnsaleemm658

02-10-2020
Chemistry

contestada

PLEASE ASAP
A calcium atom has 20 protons, 18 electrons, and 20 neutrons. What is the charge on the atom?

Respuesta :

william77mallette william77mallette

07-10-2020

Answer:

Ca2+ represents an ion with 20 protons and 18 electrons.

Explanation:

A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of two electrons: 20-2=18.

Answer Link

Otras preguntas

There are two ways of adding two square numbers to make 65. Write a different square number in each box. [ ] + [ ].

David bought a game on sale for $6 less than half its original price.she paid $88 for the jacket. What was the original price

Estimate 46/6,725, then find the quotient.

A cross-country automobile rally is 1,025 kilometers long. At a stopping place the letter had traveled 867 kilometers. How far away was finish line

how must a projectile be launched in order to maximize its range?

2x-y=-63x-4y=-4Solve using elimination and then substitution

Write the number that matches the clues My number has 2 hundreds. The tens digit is 9 more than the ones digit

5.815 + 6.021 as a mixed number

The following are four largest country's in the world Russia Canada China united states what country located in south america also ranks as one of the ten large

How do I write an equation in slope intercept form from; Slope 3, y-intercept at -4