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olga nikolaevna [1]
2 years ago
5

A student is given a sample of unknown substance. He is asked to determine

Chemistry
1 answer:
den301095 [7]2 years ago
6 0
The answer is: the element is most likely to be a METALLOID
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3. Scientific methods may include three steps of study as listed below. Explain each step in detail with a complete content rela
victus00 [196]

Answer:

Hypothesis is an assumption or idea about a particular topic or argument. An hypothesis should be one which is able to be tested and measurable to determine its authenticity.

A theory is an explanation of a scientific observation which has undergone series of experiments and is reproducible in any part of the world.

A law is simply a rule which gives an in depth explanation of a scientific finding. If new findings emerge the law could be changed or modified.

8 0
3 years ago
A type of potential energy that is associated with objects that can be stretched or compressed is called ??
Scorpion4ik [409]
The answer is C. Elastic potential energy
4 0
3 years ago
PLEASE HELP WILL REWARD BRAINLIEST
riadik2000 [5.3K]
The answer is the principal quantum number

Hope this helps
7 0
3 years ago
Read 2 more answers
How much heat in joules in needed to raise the temperature of 257g of ethanol c of ethanol =2.4j/gC by 49.1?
strojnjashka [21]

Answer:

30284.88J

Explanation:

c=mCtetha

c=257×2.4×49.1

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6 0
3 years ago
Are the noble gases considered inert or reactive? Why?
mr Goodwill [35]

Answer:

Noble gases are considered as Inert because they are unreactive.

Explanation:

Seven noble elments are known to us , they are: helium, neon, argon, krypton, xenon, radon, and oganesson. Noble gases have 8 electrons in their outermost shell and hence their valence shell is complete, they donot need further electrons to complete their octet so they are unreactive. Also they posses following properties.

8 0
3 years ago
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