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lesya [120]
3 years ago
12

Choose all the answers that apply.

Chemistry
2 answers:
Lady_Fox [76]3 years ago
7 0
It is softer than topaz and and it is softer than diamond (diamond has a Mohs hardness of 10, which is the highest value of the scale)
Feliz [49]3 years ago
4 0

Answer: The unknown mineral is softer than topaz and diamond both.

Explanation:

Mohs scale is scale used to measure the hardness of the minerals. the value of the scale is from 0 to 10. The mineral with higher value on scale will be able to scratch easily the mineral with lower value on the scale.

As according to the question,Topaz has Mohs hardness of 8 and was able to scratch the unknown mineral which implies that the unknown mineral is softer than the Topaz .And Topaz is softer than Diamond which means that unknown mineral is also softer than diamond.

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Cobalt (Co) has an atomic mass of 59 and an atomic number of 27. Which statement correctly describes an atom of cobalt?
marysya [2.9K]

Answer:

A

Explanation:

27 us the number of protons when we subtract 27 from 59 it will be 32 because a mass number is the sum of proton and neutron but tell u more on the comment

3 0
3 years ago
Butane is also a molecular compound. what is its formula? how many atoms does it contain?
pishuonlain [190]
The formula of butane is C4H10 but I don't how many atoms it contains though
5 0
3 years ago
Differentiate between <br>Halogens and insert gases​
jasenka [17]

Answer:

An inert gas is one that does not undergo chemical reactions

Noble gases refers to the right most group of the periodic table composed of helium, neon, argon, krypton, xenon, and radon. As you might have seen as an example in class, some noble gases can form chemical compounds, such as XeF4.

or to say:

Halogens and noble gases are two different groups of elements that can be seen on the periodic table. Halogens are found in group 17 and include fluorine, chlorine, bromine, iodine and astatine. Noble gases make up group 18, and include helium, neon, argon, krypton, xenon and radon.

6 0
3 years ago
If a liquor law is violate the liquor authority can issue a citation today
Basile [38]

If a liquor law is violated, the liquor authority can issue a citation of fine. The other consequence of liquor law violation is Liquor- license suspension.

<h2>What is liquor law?</h2>

Liquor law is also called Alcohol laws. Alcohol laws are the laws which are related to the manufacture, use and the sale of alcohol or alcoholic beverages that contains ethanol. If this law is violated, the liquor authority can issue a fine as well as the suspension of Liquor- license so we can conclude that fine and Liquor- license suspension are the consequences of violation of liquor law.

Learn more about law here: brainly.com/question/820417

8 0
2 years ago
Which of the following substances will have hydrogen bonds between molecules?
bagirrra123 [75]
The answer to your question big man would be E
3 0
3 years ago
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