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ratelena [41]
2 years ago
13

In sodium chloride, which atom loses an electron?

Chemistry
2 answers:
s344n2d4d5 [400]2 years ago
5 0
B. sodium
explanation:
sodium is in front (NaCl), and the first element always loses an electron
Fittoniya [83]2 years ago
3 0

Answer:

Option B. Sodium

Explanation:

In the formation of NaCl, sodium loses and electron while chlorine receives the electron as illustrated below:

Na —> Na+ + e- ....... (1)

Cl + e- —> Cl- ......... (2)

Now, combining equation 1 and 2 we have:

Na + Cl + e- —> Na+ + Cl- + e-

Cancelling the electron from both side, we obtained:

Na + Cl —> Na+Cl-

From the above illustration, we see clearly that sodium loses electron

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Determine which set of properties correctly describes graphite (C)? A. Malleable, brittle, soluble in oil or gasoline, high melt
satela [25.4K]

Answer:

D. Dense, conducts electricity, high melting point, giant structure, brittle

Explanation:

Graphite is an allotrope of carbon. It is similar to diamond except for some differences in their properties and mode of formation.

Graphite is typically a non-metal and should have properties of non-metals. Metals are malleable, ductile, conducts electricity, etc.

Graphite is able to conduct electricity because of the presence of free mobile electrons in its structure.

It is dense but its density is lower than that of diamond but higher than water.

Graphite is brittle with a high melting point which is close to that of diamond.

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3 years ago
How many protons are there in H2S ?
Vinvika [58]
16. Hope this helps!!
3 0
3 years ago
How is atomic number different from mass number?
Nimfa-mama [501]
Hello Gary My Man!

Well, as you can clearly see 

<span>The atomic number of an element is basically the number of protons it has. So yes, for every element this is different. Now, the mass number of an element as known, is the number of protons+the number of neutrons.  So theoretically as we can see, this number should be a whole number, but since there are different isotopes (atoms of the same element with different numbers of neutrons) of each element, most periodic tables take account of that, so they often include decimals as seen. 

So in Short, ALL</span> the atoms of a particular element have the SAME EXACT atomic number<span> (</span>number<span> of protons of course). The </span>atoms of different elements have very different numbers of protons. And of course, the MASS number of an atom is the TOTAL number as known, of protons and of course, the neutrons it contains in it.

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)

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7 0
2 years ago
1. A student tried to solve the following problem by selecting the tile as shown. What, if anything, did the student do wrong?
slega [8]

Answer:

B. The student chose the correct tile, but needs to flip the tile to make the units cancel

Explanation:

Based on the reaction:

2AgNO₃(aq) + Cu(s) → 2Ag(s) + Cu(NO₃)₂ (aq)

<em>2 moles of AgNO₃ react per mole of Cu producing 2 moles of Ag and 1 mole of Cu(NO₃)₂</em>

Thus, if you want to produce 6.75moles of Cu(NO₃)₂ you need:

6.75moles of Cu(NO_3)_2  \frac{2 mol AgNO_3 }{1 mol Cu(NO_3)_2} = 13.50 moles of AgNO₃ are needed

Thus, if you analize the tile shown by the student:

<em>B. The student chose the correct tile, but needs to flip the tile to make the units cancel</em>

6 0
3 years ago
Which body changes occur during adolescence?
cupoosta [38]
The answer is C,growth spurts,puberty,& sexual maturity
6 0
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