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Aleks [24]
3 years ago
8

Why does earth have uranium

Chemistry
2 answers:
padilas [110]3 years ago
7 0
This was the first-ever use of an atomic bomb in warfare, and it used one famous element to wreak its havoc: uranium. This radioactive metal is unique in that one of its isotopes, uranium-235, is the only naturally occurring isotope capable of sustaining a nuclear fission reaction.
Rainbow [258]3 years ago
5 0
The isotope U-235 is important because under certain conditions it can readily be split, yielding a lot of energy. It is therefore said to be 'fissile' and we use the expression 'nuclear fission'. Meanwhile, like all radioactive isotopes, they decay.
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Which particle diagram represents a mixture? <br><br> ( i hope you can read it)
Masja [62]
The 3rd diagram is a mixture because it has 2 substances
8 0
2 years ago
PLZ ANSWER WILL GIVE BRAINEST Based on the information in the table, which elements are most likely in the same periods of the p
Kipish [7]

Answer:

Aluminum, boron, and gallium are likely together in one group because they have the same number of valence electrons, and carbon and germanium are likely together in another group because they have the same number of valence electrons.

Explanation:

4 0
3 years ago
Read 2 more answers
(pls help !!) question is in image
Anastaziya [24]

Answer:

the second option is correct

Explanation:

maybe I think b is correct

6 0
2 years ago
The compound methylamine, CH3NH2, is a weak base when dissolved in water. Write the Kb expression for the weak base equilibrium
Veronika [31]

Answer:

Kb = [CH₃NH₃⁺] × [OH⁻] / [CH₃NH₂]

Explanation:

According to Brönsted-Lowry acid-base theory:

  • An acid is a substance that donates H⁺.
  • A base is a substance that accepts H⁺.

When methylamine reacts with water, it behaves as a Brönsted-Lowry base, according to the following reaction.

CH₃NH₂(aq) + H₂O(l) ⇄ CH₃NH₃⁺(aq) + OH⁻(aq)

The basic equilibrium constant (Kb) is:

Kb = [CH₃NH₃⁺] × [OH⁻] / [CH₃NH₂]

3 0
3 years ago
Which of the following is an example of a liquid and gas mixture? *
Stolb23 [73]

Answer:

Carbonated Water

Explanation:

Carbonated water is a mixture of carbon dioxide gas and water.

7 0
2 years ago
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