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Mice21 [21]
2 years ago
5

Why do noble gases have the least amount of electronegativity?

Chemistry
1 answer:
sattari [20]2 years ago
4 0
<span>Their orbitals are completely filled</span>
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Consider the nuclear equation below. Superscript 235 subscript 92 upper U right arrow superscript 4 subscript 2 upper H e. What
coldgirl [10]

Answer:

\rm_{90}^{231}\text{Th}

Explanation:

The unbalanced nuclear equation is

\rm _{92}^{235}\text{U} \longrightarrow \,  _{2}^{4}\text{He} + X

Let's write X as a nuclear symbol.

\rm _{92}^{235}\text{U} \longrightarrow \,  _{2}^{4}\text{He} + _{Z}^{A}\text{X}

The main point to remember in balancing nuclear equations is that the sums of the superscripts and of the subscripts must be the same on each side of the reaction arrow.

Then

235 = 4 + A , so A = 235 - 4 = 231, and

 92 = 2 + Z , so  Z =   92 - 2 =  90

And your nuclear equation becomes

\rm _{92}^{235}\text{U} \longrightarrow \,  _{2}^{4}\text{He} +\, _{90}^{231}\text{X}

Element 90 is thorium, so  

\rm X = _{90}^{231}\text{Th}

7 0
3 years ago
Los electrónes casi no tienen
kondaur [170]

Answer:

yedd

Explanation:

5 0
2 years ago
PLEASE HELP!!!! The energy diagram shows the change in energy during a chemical reaction. Which statement best describes the tot
eimsori [14]

Answer: B

Explanation:

6 0
2 years ago
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Name the following compound: CH3 – CH2 – CH = CH – CH3<br><br> Fill In The "___"<br><br> 2-Pen ___
swat32

Answer: 2-Pentene

Explanation:

The longest continuous carbon chain that contains the double bond is identified to be Pentene, since it has five carbon atoms.The presence of the double bond makes it an Alkene, hence the -ane ending of the parent Alkane is changed to -ene.

We then do our numbering in the direction that gives the position of the double bond a lower number. Numbering from right to left, the position of the double bond is at carbon atom 2 going to 3, which is lower compared to the other direction.

Hence the name of the compound is 2-Pentene.

4 0
3 years ago
Question 3
adoni [48]

Answer:

D. Territory

Explanation:

Territory is defined as an area that is claimed by one or more individuals.

Territory is often used as a form of ownership of land or water mass between two parties. It is important as it gives each party a knowledge of their designated areas.

This validates it being an area that is claimed by one or more parties as organisms use that to protect their interest of food, water and mates for their survival.

7 0
3 years ago
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