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3 years ago

What are three possible problems with storing low level nuclear waste?

Chemistry

1 answer:

ella [17]3 years ago

3 0

Answer:

Diarrhea may caused

flies in the home which transfer germs

Kat one think your self

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What is the wavelength (in nm) of light with a frequency of- ^^ see picture

Dafna1 [17]

Frequency =6.75×10^14s^{-1}

$\\ \sf\longmapsto \lambda=\dfrac{c}{v}$

$\\ \sf\longmapsto \lambda=\dfrac{3\times 10^8m/s}{6.75\times 10^{14}s^{-1}}$

$\\ \sf\longmapsto \lambda=0.444\times 10^{-6}m$

$\\ \sf\longmapsto \lambda=0.4\mu m$

7 0

3 years ago

Read 2 more answers

Is this a chemical reaction?

Paraphin [41]

Answer:

I dont think so.

Explanation:

A chemical reaction is when there is a change in the substance. For example fizzing, bubbling, and changing colors are all examples of a chemical reaction.

5 0

3 years ago

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Calculate %ic of the interatomic bonds for the intermetallic compound al6mn. on the basis of this result, what type of interatom

pashok25 [27]

Answer : % ionic character is 0.20%

Bonding between the two metals will be purely metallic.

Explanation: For the calculation of % ionic character, we use the formula

$\% \text{ ionic character}= [1-e^{\frac{-(X_A-X_B)^2)}{4}}]\times(100\%)$

where $X_A$ & $X_B$ are the Pauling's electronegativities.

The table attached has the values of electronegativities, by taking the values of Al and Mn from there,

$X_{Al}=1.61$

$X_{Mn}=1.55$

Putting the values in the electronegativity formula, we get

$\% \text{ ionic character}= [1-e^{\frac{-(1.61-1.55)^2)}{4}}]\times(100\%)$

= 0.20%

Now, there are 3 types of inter atomic bonding

1) Ionic Bonding: It refers to the chemical bond in which there is complete transfer of valence electrons between atoms

2) Covalent Bonding: It refers to the chemical bond involving the sharing of electron pairs between 2 atoms.

3) Metallic Bonding: It refers to the chemical bond in which there is an electrostatic force between the positively charged metal ions and delocalised electrons.

In $Al_6Mn$ compound, the % ionic character is minimal that is $\sim$ 0.20% and there are two metal ions present, therefore this compound will have metallic bonding.