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Nesterboy [21]
3 years ago
15

I need help assapppp

Chemistry
1 answer:
DedPeter [7]3 years ago
4 0

Answer:

Lithium has 3 protons, 4 neutrons, 3 electrons, and its mass is 6.941 u

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Brainliest and a free hug :)
nlexa [21]

Answer:

C: The atoms involved in the chemical reaction

Explanation:

In a chemical reaction, when we balance it up, the number of moles or atoms on the left side must equal that on the right hand side. And thus, the mass is found in the atoms involved in such chemical reaction.

8 0
3 years ago
I really need your help best answer gets the brainiest! please answer its 50 POINTS!
dangina [55]

Answer:

add it all up

Explanation:

6 0
3 years ago
The carbon atoms in graphite and the carbon atoms in diamond have different
kicyunya [14]

Answer:

<u>structural arrangements</u>

_______________________________________

<h2>properties of daimond: </h2><h3>appearance: transparent</h3><h3>hardness: very hard</h3><h3>thermal conductivity :very poor</h3><h3>electric conductivity: poor</h3><h3>density:</h3>

3510 {kgm}^{3}

<h3>uses: jewellery and drilling</h3>

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<h2>properties of graphite:</h2>

<h3>appearance: black shiny</h3><h3>hardness: soft ,slippery to touch</h3><h3>thermal conductivity : moderate</h3><h3>electric conductivity: good</h3><h3>density:</h3>

2250 {kgm}^{3}

<h3>uses:dry cell, electric arc, pencil lead, lubricant</h3>

_______________________________________

<h2>How Diamond and Graphite are chemically identical?</h2>
  • On heating diamond or graphite in the air, they burn completely to form carbon dioxide.
  • - Equal quantities of diamond and graphite when burned, produce exactly the same amount of carbon dioxide.

_______________________________________

<h2>Why the physical properties of diamond and graphite are so different?</h2>

Due to the difference in the arrangement of carbon atoms in diamond and graphite

_______________________________________

<h2><em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u> you</u></em><em><u><</u></em><em><u>3</u></em></h2>

7 0
2 years ago
What is the transmittance of 35.3%
andrey2020 [161]
This might be wrong,but im pretty sure its 0.10 m
8 0
3 years ago
Complite the following reactions. NaOH(aq)+FeBr3(aq)→
stira [4]

Answer:

3NaOH+FeBr3>3NaBr+

Fe(OH)3

Explanation:

After writing the equation it has to be balanced

8 0
3 years ago
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