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mr Goodwill [35]
3 years ago
5

Help fast please it's timed ​

Chemistry
2 answers:
lys-0071 [83]3 years ago
6 0

Answer: B its most likely

Iteru [2.4K]3 years ago
3 0

I think it would be d if I am wrong im am sorry

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Hurry I will mark brainest if correct!!!! hurry
Sholpan [36]

Answer:

i think the answer might be A the frist one

Explanation: because the chemical started immediately when the girl put in the two red colored and it started turning blue and by eight minutes  it turned blue completely.

4 0
4 years ago
In the nucleus, a sodium atom (Na) has 11p+ and 12 nºo. How would you write the
Hatshy [7]

Answer:

Na⁺

Explanation:

Given parameters:

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Writing the expression based on sodium ion that lost one electron;

In a neutral sodium atom, the number of protons and electrons are the same. Number of protons are the the positively charged particles in an atom.

Number of electrons are the negatively charged particles.

If an atom loses electron for instance sodium:

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Charge on the atom  = 11  - 10  = 1+

So, the symbol of the atom is Na⁺

4 0
3 years ago
539.28kJ x (1mol/ 6kJ) x (28g / mol N2) x (1mL/11g) x (1L/1000mL) = ?
Verdich [7]

Answer:

if what you need is the final answer

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Explanation:

5 0
3 years ago
The highest energy occupied molecular orbital in the f-f bond of the f2 molecule is _____
Morgarella [4.7K]
The basis of finding the answer to this problem is to know the electronic configuration of Fluorine. That would be: <span>[He] 2s</span>²<span> 2p</span>⁵. The valence electrons, which are the outermost electrons of the atom, are the ones that participate in bonding. <em>Since the highest orbital for F is 2p, that means the highest energy occupied would be 2.</em>
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Alexxandr [17]

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