I took this I believe it’s A
Answer:
it a
Explanation:
You have to decide the grams you have or the grams you get once converted to moles by the atomic mass of the electron you find on the periodic table to get your amount of atoms…
For example…
65.3 grams of oxygen, you look at your periodic table to find the mass and you see it’s rounded to 16. So, you divide the 65.3 by 16, to get your atoms.
65.3/16 =4 atoms.
LightWave. Lightwave forms the most important example of a transverse wave!
Answer False
Explanation: Friction makes it stop at some point. For it to have an unlimited speed goes against beset is first law that states an object in motion with stay in motion unless acted upon by an external force, your force will be the friction of the wheels on the roller coaster
Answer:
The answer is
<h2>1.74 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula
From the question
mass of magnesium = 11.81 g
volume = 6.80 mL
The density of the metal is
We have the final answer as
<h3>1.74 g/mL</h3>
Hope this helps you