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topjm [15]
3 years ago
9

Question 10 of 25

Chemistry
2 answers:
kap26 [50]3 years ago
7 0

Answer:

Correct option would be A. Mg(s) → Mg2+ + 2e-

Explanation:

Marked as correct answer on Quiz ;) (A P E X)

Julli [10]3 years ago
7 0

Answer:

A. Mg(s) → Mg2+ + 2e

Explanation:

it was correct lol

You might be interested in
How many moles of carbon do you have in a trillion carbon
Dmitry_Shevchenko [17]

Answer:

1.7\times 10^{-12} moles of carbon

Explanation:

1 trillion = 10^{12}

Avogadro number :It is the number of particles that are present in 1 mole of substance.

N_{0} = 6.022\times 10^{23}

So,

6.022\times 10^{23} atoms = 1 mole carbon

1 atom =

\frac{1}{6.022\times 10^{23}} mole

1 trillion atom =

\frac{1}{6.022\times 10^{23}}\times 10^{12} mole

1.660\times 10^{-12} mol

Two significant figure

1.7\times 10^{-12} moles of carbon

4 0
3 years ago
What is the oxidation number of chlorine in Al(ClO4)3? Please give me unique work! THANKSS
sveta [45]
It would be +7 oxidation number.
[All compounds are zero]
Al is in group III [ or 13 depending on the system ] so the oxidation state is 3.
You have 12 O at -2 each for-24. That leaves you at -24+3=-21. So, 3 Cl atoms must be +21 to balance the -21 there which makes +21/3 or +7 for each Cl.
3 0
3 years ago
anyone else go to a question and read though it and realize you brain is not that smart and just move on to a easier one LOL
irina1246 [14]

Answer:

Yeah I have done that many times  LOL

I mean who wouldnt do that

Explanation:

Hope this helps

MAy I get BraiNeist Pls?

7 0
2 years ago
What is the mass in grams of 100 atoms of carbon?
Sauron [17]

Hello!

To find the mass in grams of 100 atoms of carbon, we need to use Avogadro's number, which is 6.02 x 10^23 grams, and divide that by the total number of atoms.

Next, we would need to find how much one mole of carbon weighs. In this case, it is exactly 12 grams.

1. Divide by Avogadro's number

100 / (6.02 x 10^23) ≈ 1.66 x 10^-22  

2. Multiply by one mole of carbon

(1.66 x 10^-22) x 12 ≈ 2.0 x 10^-21

Therefore, the mass of 100 atoms of carbon is equal to about 2.0 x 10^-21 grams.

8 0
4 years ago
When magnesium is ignited in air, the magnesium reacts with oxygen and nitrogen.
vampirchik [111]
51: The only coefficient is in the first one i think and it would be a 3
52: Neon (Ne)
53: Mg has a low nuclear charge so all it's electrons would be lost in the electron shell, making the ion smaller than the atom.
8 0
3 years ago
Read 2 more answers
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