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ioda
2 years ago
5

What charge would you expect for an formed by S?

Chemistry
1 answer:
sp2606 [1]2 years ago
6 0

Answer:

in this the correct answer is option 2.

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All of the noble gasses have 8 valence electrons except _____. helium argon xenon neon this is science
pogonyaev
<span>Helium is the noble gas with only 2 valence electrons 

I Hope This helps

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5 0
3 years ago
Read 2 more answers
Find the ph of of 100 ml of an aqueous 0.43m baoh2 solution
denpristay [2]
Answer is: pH of barium hydroxide is 13.935.
Chemical dissociation of barium hydroxide in water:
Ba(OH)₂(aq) → Ba²⁺(aq) + 2OH⁻(aq).
c(Ba(OH)₂) = 0.43 M.
V(Ba(OH)₂) = 100 mL ÷ 1000 mL/L = 0.1 L.
n(Ba(OH)₂) = 0.43 mol/L · 0.1 L.
n(Ba(OH)₂) = 0.043 mol.
From chemical reaction: n(Ba(OH)₂) : n(OH⁻) = 1 : 2.
n(OH⁻) = 0.086 mol.
c(OH⁻) = 0.86 mol/L.
pOH = -logc(OH⁻).
pOH = 0.065.
pH = 14 - 0.065 = 13.935.
4 0
2 years ago
Why rock from earth cannot be used to determine earth age<br>​
Reptile [31]

Answer:So far scientists have not found a way to determine the exact age of the Earth directly from Earth rocks because Earth's oldest rocks have been recycled and destroyed by the process of plate tectonics. If there are any of Earth's primordial rocks left in their original state, they have not yet been found.

Explanation:

5 0
3 years ago
What is a Boitic factor
svetoff [14.1K]

Answer:

Biotic components, or biotic factors, can be described as any living component that affects another organism or shapes the ecosystem. This includes both animals that consume other organisms within their ecosystem, and the organism that is being consumed

Explanation:

also you spelt it wrong

4 0
3 years ago
What kind of changes cause iron to rust ?
loris [4]

Answer:

ways it rust are

1.you put water on it

2.let it sit out side for about a month or 2

                       or

you put the iron in water still wait a month or 2 then

you got the full or sum rusty parts

Explanation:

ether way you need water, air ,and the main thing... IRON

8 0
2 years ago
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