is 7 cus the valance electron for sodium is Ne 3s1 and for chlorine is Ne 3s13p5
Some examples:
- the sun
- a flashlight turned on
- a light bulb
- stars
- fireflies
...hope i helped :)
Answer:
Demisty = mass/volume = 142/ (2×2×4) = 142 / 16 =
8.875g/cm^3
Explanation:
Answer:
<h3>The answer is 5.24 mL</h3>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula

From the question
mass = 152 g
density = 29 g/cm³
We have

We have the final answer as
<h3>5.24 mL</h3>
Hope this helps you
So your answer would pretty much be 2.80 x 10^24. The picture is just the explanation and how you would get that answer.