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Mice21 [21]
3 years ago
13

How does Lewis Dot Structures can be used to show reactions between different chemical elements​

Chemistry
1 answer:
notsponge [240]3 years ago
3 0

Explanation:

yes yes yes yes yesterday and it kic to get me in a way that is the only one who is in my life that was my thought it

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Write and balance the equation for the decomposition of aluminum chloride into its elements. phase symbols are optional.
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The 3 and 2 to the right of the components are subscriptions.

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Which two processes lead directly to the formation of both breccia and conglomerate
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Compaction and cementation
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H-1
bonufazy [111]
Answer = B = Neutrons and Mass Number

Isotopes 
are defined as those atoms which have same atomic number but different atomic masses.

Atomic mass is basically the number of protons and neutrons present in an atom.

Atomic number is the number of protons present in an atom.

So, in isotopes the number of protons are same but the number of neutrons vary due to which atomic masses also vary.
In given three isotopes, all have same number of protons but different number of neutrons.
i.e.
H-1 = 1 P + 0 N = 1 u (Proton)
H-2 = 1 P + 1 N = 2 u (Deuterium)
H-3 = 1 P + 2 N = 3 u (Tritium)

Hence, it is clear that the number after H shows a change in number of neutrons and mass number.

7 0
4 years ago
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what can we tell about an unknown substance based on its properties. Its science btw, i couldnt find the science subject
dsp73

Answer:

Measuring its density and comparing your result to a list of known densities, or other properties that give you useful info

Explanation:

You can use observations about substances to form a hypothesis about the substance by comparing it to others. Ex: if something is magnetic it must be made of one or more of the elements iron, cobalt, or nickel.

6 0
3 years ago
Who is Alfred Wegener? What did he discover?
Aliun [14]

Answer:

Alfred Wegener proposed the theory of continental drift – the idea that Earth's continents move. Despite publishing a large body of compelling fossil and rock evidence for his theory between 1912 and 1929, it was rejected by most other scientists.

Hope this helps!

3 0
3 years ago
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