Answer:
It is classified as a pure substance
Explanation:
Oxygen is a gas present in the atmosphere in the pure elemental form.
Answer:
protons and neutrons
Explanation:
protons and neutrons is equal to mass number
Answer:
<h2>3.31 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 23.2 g
volume = final volume of water - initial volume of water
volume = 62 - 55 = 7 mL
We have

We have the final answer as
<h3>3.31 g/mL</h3>
Hope this helps you
The answer would be ~sedimentary~
Hope this helps
Have a great day/night
Answer:
because it covers a large area as there are more then 1 lakh compounds of organic chemistry.