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Ilia_Sergeevich [38]
3 years ago
11

How many valence electrons does Carbonic Acid contain?

Chemistry
1 answer:
geniusboy [140]3 years ago
6 0
4 carbon electrons. Hope this helps have a nice day
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What quantity can be calculated for a solid compound, given only the formula of the compound and the periodic table of elements
gavmur [86]
When you have both of these ( The periodic table of elements and the formula of your compound) you are able to calculate the R.M.M ( Relative atomic mass) of that compound.
For example the formula of a NaCl ( Table salt ) has the elemnt Na and Cl.
We look at the atomic mass of both of these compounds
Na - 23
Cl - 35.5
R.M.M = 23 +35.5 = 58.5
Hope this helps :).
6 0
3 years ago
Match the atoms to their correct electron configuration. <br> (Answer choices in photo)
zysi [14]

Answer:

The answer to your questions are given below

Explanation:

The answer to the questions given above can simply be obtained by writing the electronic configuration of each atom.

The electronic configuration of each atoms can be written as follow:

Fluorine, F (9) => 1s² 2s²2p⁵

Sodium, Na (11) => [Ne] 3s¹

Helium, He (2) => 1s²

Calcium, Ca (20) => [Ar] s²

Nitrogen, N (7) => 1s² 2s²2p³

Sulphur, S (16) => [Ne] 3s²3p⁴

6 0
3 years ago
HELP ME PLEASE ITS DUE 11:59 TODAY
Dmitry_Shevchenko [17]

Im sorry but its a pdf i can write on it :(

7 0
3 years ago
Solid iron(II) sulfide reacts with aqueous hydrochloric acid to produce aqueous iron(II) chloride and hydrogen sulfide gas . Wri
Sphinxa [80]

A balanced chemical equation for this reaction :

FeS(s)+2HCl(aq)→FeCl2(aq)+ H2S(g)

<h3>Further explanation</h3>

Given

Word equation

Required

Balanced equation

Solution

The chemical equation can be expressed in terms of:

  • word equation
  • skeleton equation
  • balanced equation

Skeleton equation

FeS(s)+ HCl(aq) --> FeCl2 (aq) + H2S (g)

Balanced equation

FeS(s)+2HCl(aq)→FeCl2(aq)+ H2S(g)

7 0
2 years ago
An object has 15 grams of atoms and displaces 2.5 mL of water when dropped into a cylinder. What is the objects density?
Softa [21]

Answer:

<h3>The answer is 6 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 15 g

volume = 2.5 mL

We have

density =  \frac{15}{2.5}  \\

We have the final answer as

<h3>6 g/mL</h3>

Hope this helps you

7 0
3 years ago
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