An ion has 28 protons, 24 electrons, and 30 neutrons. What is its ionic charge?

2 answers:

7 0

Ionic charge = +4

To answer this we look only at the protons and electrons. Because there are 4 more protons than electrons we know that this ion has 4 less electrons than it would need to have to have a neutral charge. Therefore, the ionic charge is +4

Studentka2010 [4]2 years ago

5 0

Ionic charge is +4!!!!!!

You might be interested in

Please help thaank youu

krek1111 [17]

First, let's start off by finding the mass of this whole hydrate.
(Note: the unit of measurement for mass will be amu)

Let's find the molecular mass of each element.
$Co=58.933$
$Cl=35.45$
$H=1.008$
$O=15.999$

Now, let's find the mass of each compound.

$CoCl_2=58.933+2(35.45)=129.833$
$H_2O=2(1.008)+15.999=18.015$

We have 6 molecules of H2O, so multiply 18.015 by 6 then add that with the weight of CoCl2.

$6(18.015)=108.09$
$129.833+108.09=237.923$

Now divide 108.09 (mass of all the H2O in the hydrate) by 237.923 (total mass of hydrate).

$\dfrac{108.09}{237.923}$

$\approx0.45431$

Turn that into a percentage and you get 45.431%.
Hope this helps! :)

6 0

3 years ago

Which of the following is used in pencils?

Mamont248 [21]

Answer:

1st answer: A. Graphite

2nd answer: B. Mercury

Explanation:

3 0

3 years ago

Read 2 more answers

What is 93,000,000 in scientific notation?

DanielleElmas [232]

I believe it is 9.3x10^7

5 0

3 years ago

To decrease the rate of reaction you would ... *

STALIN [3.7K]

Answer: it’s number 2 add a catalyst

Hopefully this helped :)

4 0

3 years ago

Read 2 more answers

Atomic emission spectra are produced when the light emitted by an element passes through a prism. Which of the following stateme

xenn [34]

Option C: elements produce spectra with only few distinct lines.

The spectra are not continuos and are different for every element. This permits to identify elements.

3 0

3 years ago