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bearhunter [10]
3 years ago
6

Consider the reaction below.

Chemistry
1 answer:
Bond [772]3 years ago
7 0
It decreases i believe
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How many 2p electrons are in an atom of each element?
Elis [28]
The amount of electrons is based on the proton number
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3 years ago
Which of element has the most valence rings?
MArishka [77]

Answer:

Elements in the Group 18

Explanation:

8 0
2 years ago
The tendency of molecules to move toward areas of low concentration is called______.
Tems11 [23]
I think the answer is D. Diffusion
6 0
3 years ago
In the fourth period of the periodic table, how many elements have one or more 4p electrons
riadik2000 [5.3K]
The fourth period, or fourth row, of the periodic table contains the elements from Z = 19 (potassium) to Z = 36 (kripton).

The abbreviated electron configuratin of potassium is K = [Ar] 4s.

Where [Ar] is 1s2 2s2 2p6 3s2 3p6.

The next element, Calcium, Z = 20, has electron configuration Ca = [Ar] 4s2.

Starting the next element, Scandium, Z = 21, the atoms start to fill the 3d  orbitals. Scandium has electron configuration Sc = [Ar] 4s2 3d.

The 3d orbitals permit to accomodate 10 electrons. So, the filling of 3d orbitals end with the element Z = 30, wich is zinc. The electron configuration of zinc is Zn =[Ar] 4s2 3d10.

So, starting with the element Z = 31 (gallium) until Z = 36, this is 6 elements, will fill the 4p orbitals.Those are Ga, Ge, As, Se, Br and Kr.

The answer is that six elements in the fourth period of the periodic table have one or more 4p electrons. You can find those elements in the right side of the period and are from 13 group to 18 group.
3 0
3 years ago
Which change of state involves a release of energy?
stellarik [79]
<span>Whenever a substance changes its state, the level of intermolecular interactions is changed. As substances transition from solid, to liquid to gas, the intermolecular transactions decrease, meaning that the energy of the molecules is greater in the case of gases than it is for solids. This energy is the reason they are able to overcome intermolecular interactions. Now, when we transition from a high energy state of matter, such as gas, to a state with lower energy, such as a liquid or solid, energy is released. In the cases of boiling, melting and sublimation (conversion of solid to gas), the substance is transitioning to a higher energy state.
Therefore, <u>C. </u><u>condensation</u> releases energy as it is the transition from gas to liquid.</span><span />
7 0
3 years ago
Read 2 more answers
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