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UNO [17]
3 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]3 years ago
8 0
The periodic table increases as you read left to right so it is A. 
Aloiza [94]3 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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What is formed when atoms of two or more elements bond in a chemical reaction? A.Mixture B.Elements C.Atoms D.Compound
saw5 [17]

Answer:D. Compound.

Explanation:

A compound is defined as a pure substance: formed when two or more elements chemically combine to form bonds between their atoms.

8 0
3 years ago
If the reaction is at dynamic equilibrium at 500 K, which statement applies to the given chemical system?
Alenkinab [10]

The correct option is this: THE CONCENTRATION OF THE PRODUCTS AND THE REACTANTS DO NOT CHANGE.

A reversible chemical reaction is said to be in equilibrium if the rate of forward reaction is equal to the rate of backward reaction. At this stage, the concentrations of the products and the reactants remain constant, that is, there is no net change in the concentration even though the reacting species are moving between the forward and the backward reaction.

8 0
3 years ago
Read 2 more answers
What is the least informative property of a mineral
Scrat [10]
All of them are important to identify a mineral and get information from it, but I'd say the least important is cleavage.
6 0
2 years ago
Which is NOT a property of metals?
frutty [35]
C is not a property of metals
3 0
3 years ago
A 0.5 kg ball rolls down a frictionless inclined plane. The height of the inclined plane is 0.5m. What is the kinetic energy of
joja [24]

Answer:

2.45Joules

Explanation:

since kinetic energy is K.E.=1/2mv^{2}

lost in potential energy is gain of kinetic energy

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9.8*2*0.5=v^2

v^{2}=9.8

v=\sqrt{9.8} =3.13m/s

now k.e. = 0.5*m*v^{2} =0.5*0.5*9.8 =2.45J

8 0
3 years ago
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