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kifflom [539]
4 years ago
5

WILL MARK BRAINLIEST and 30 points The table lists the number of protons, electrons, and neutrons in a certain radioactive nucli

de.
Electrons 11
Protons 11
Neutrons 13

Which is the symbol of this radioactive nuclide?
Superscript 24 subscript 11 upper N a.
Superscript 22 subscript 11 upper N a.
Superscript 13 subscript 11 upper Al.
Superscript 24 subscript 13 upper A l.
Chemistry
2 answers:
Anna71 [15]4 years ago
8 0

Answer:

Answer Is A

Explanation:

24/11 NA: This answer was correct

gogolik [260]4 years ago
3 0

Answer:

It is given that number of electrons is 11.

It is known that when an atom is neutral then the number of protons equals number of electrons. Also, atomic number means number of protons an atom holds.

Whereas mass number equals number of protons + number of neutrons. Thus, mass number of given atom is 11 + 13 = 24.

The symbol for this element will be as follows 24/11x  . This atom sodium has atomic number 11 and mass number 24.

Therefore, symbol of this radioactive nuclide is as follows . A)Superscript 24 subscript 11 upper N a.

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The bonds in no2− relative to n−o

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4 years ago
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What is the best description of bond angles around the carbon atoms of 1-butene?
vampirchik [111]

The best description of bond angles around the carbon atoms of 1-butene is double bonded unsaturated carbon atoms and sp2 hybridized

<h3>What are organic compounds?</h3>

Organic compounds are those organics substances containing carbon and hydrogen only.

Some classes of organic compounds are:

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So therefore, the best description of bond angles around the carbon atoms of 1-butene is double bonded unsaturated carbon atoms and sp2 hybridized

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6 0
1 year ago
If the distance between a point charge and a neutral atom and is multiplied by a factor of 5, by what factor does the force on t
dexar [7]

Given :

The distance between a point charge and a neutral atom and is multiplied by a factor of 5.

To Find :

By what factor does the force on the neutral atom by the point charge change.

Solution :

We know, electrostatic force between two object is directly proportional to product of charge and inversely proportional to distance between them.

Now, charge in neutral atom is 0 C.

So, the electrostatic force between two of them is also 0 N.

Therefore, by changing distance between the charge the forces did no change ( it remains zero).

3 0
3 years ago
Ammonium hydrogen sulfide (NH4HS) can
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Explanation:

4 0
3 years ago
0.450 mol of aluminum hydroxide is allowed to react with 0.550 mol of sulfuric acid; the reaction which ensues is:
sashaice [31]

Answer:

Option c. 1.10 moles

Explanation:

By the moles of the two reactants, we need to determine the limiting reactant.

If we only have the mass (or the moles) of one, we assume the other is in excess.

The reaction is: 2Al(OH)₃(s) + 3H₂SO₄(aq)  → Al₂(SO₄)₃(aq) + 6H₂O(l)

Let's work with stoichiometry: 2 moles of hidroxide react with 3 moles of sulfuric acid.

Then, 0.450 moles of hidroxide, will react with (0.450 . 3) / 2 = 0.675 moles of acid. Notice we have 0.550 of it, so we do not have enough acid to react, therefore the H₂SO₄ is the limiting reagent

Let's do another rule of three. Ratio is 3:6

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Then, 0.550 moles of acid, will produce (0.550 . 6) / 3 = 1.1 moles of water

8 0
3 years ago
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