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UNO [17]
4 years ago
15

Atomic numbers of atoms of elements _____ as you read _____ along each row of the periodic table of the elements.

Chemistry
2 answers:
serious [3.7K]4 years ago
8 0
The periodic table increases as you read left to right so it is A. 
Aloiza [94]4 years ago
4 0

Answer:

<u><em>The answer is</em></u>: <u>A. increase; from left to right.</u>

<u />

Explanation:

<em>The </em>PERIODIC TABLE<em> that we know today is made up of columns and rows. Where the rows are known as </em>PERIODS <em>and the columns as </em>GROUPS<em>. </em><u>The elements are ordered by the atomic number, it increases from left to right</u><em> and from top to bottom. </em>

<u><em>The answer is</em></u>: <u>A. increase; from left to right.</u>

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The sample with the lowest AVERAGE kinetic energy is
the coolest one.

The sample with the lowest TOTAL kinetic energy depends on
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5 0
3 years ago
Which statement is true about a liquid but not a gas?
vovangra [49]

Answer:

I think its D

Explanation:

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3 0
3 years ago
Read 2 more answers
For the following reaction, KcKc = 255 at 1000 KK.
bonufazy [111]

Answer :

The equilibrium concentration of CO is, 0.016 M

The equilibrium concentration of Cl₂ is, 0.034 M

The equilibrium concentration of COCl₂ is, 0.139 M

Explanation :

The given chemical reaction is:

                           CO(g)+Cl_2(g)\rightleftharpoons COCl_2(g)

Initial conc.      0.1550      0.173           0

At eqm.          (0.1550-x)  (0.173-x)         x

As we are given:

K_c=255

The expression for equilibrium constant is:

K_c=\frac{[COCl_2]}{[CO][Cl_2]}

Now put all the given values in this expression, we get:

255=\frac{(x)}{(0.1550-x)\times (0.173-x)}

x = 0.139 and x = 0.193

We are neglecting value of x = 0.193 because equilibrium concentration can not be more than initial concentration.

Thus, we are taking value of x = 0.139

The equilibrium concentration of CO = (0.1550-x) = (0.1550-0.139) = 0.016 M

The equilibrium concentration of Cl₂ = (0.173-x) = (0.173-0.139) = 0.034 M

The equilibrium concentration of COCl₂ = x = 0.139 M

5 0
3 years ago
Convert 59,800 cg/L to g/mL
alexgriva [62]
To convert the given value to the desired one, use the proper unit conversions and dimensional analysis. Use the following conversion for the first set.

    1 g = 100 cg
    1 L = 1000 mL

Using the concept presented above,
         
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6 0
3 years ago
Channel on Earth Formed by Flowing Lava
nignag [31]

Answer:

River bed

Explanation:

i dont really know its just what i learned

4 0
3 years ago
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