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STALIN [3.7K]
3 years ago
7

Helppppppppppppppppppppppppppppppppppppppppppppppppp

Chemistry
2 answers:
Ierofanga [76]3 years ago
7 0

Answer:

the answer is A

Explanation:

Anit [1.1K]3 years ago
6 0

Answer:   it is a

Explanation:

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Alpha Decay
Inessa [10]

Thorium 234 is the daughter product of Uranium-238 decays whereas protactinium 234 is the daughter product of Thorium -228.

<h3>What are the products of Uranium-238 and Thorium -228?</h3>

If an atom of Uranium-238 decays via alpha emission, a nucleus of uranium 238 decays by alpha emission to form a daughter nucleus, thorium 234 while If an atom of Thorium -228 decayed via beta emission, the daughter isotope is protactinium 234.

So we can conclude that thorium 234 is the daughter product of Uranium-238 decays whereas protactinium 234 is the daughter product of Thorium -228.

Learn more about isotope here: brainly.com/question/14220416

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4 0
3 years ago
How many carbon atoms will be in the longest chain of 2,2,4-trimethylpentane?
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We see in the given name of the hydrocarbon that the root word is pentane from 2,2,4-trimethylpentane. Pentane is a hydrocarbon chain that contains 5 carbon atoms. Therefore, the answer to this item is 5 carbons. 
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Which of the following correctly identifies who is credited with key developments of the cell theory?
vampirchik [111]

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Matthias Schleiden, Theodor Schwann, and Rudolf Virchow

Explanation:

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Why will paper stick to a ballon that you have rubbed on your hair?
Usimov [2.4K]
Depending on the balloon, the surface will cause friction between the two and oxygen molecules will fuse together to create a sticky sensation
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Shtirlitz [24]

Answer:

A physical change is a change that does not change the chemical properties of the substance and is purely physical.

Explanation:

The appearance of the object of chemical may change but its chemical properties are the same.

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