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egoroff_w [7]
3 years ago
5

Which term identifies the most probable location of an electron in the wave- mechanical model of an atom?

Chemistry
1 answer:
Elan Coil [88]3 years ago
5 0
<span>A compound is a substance composed of two or more elements that are chemically combined in a fixed proportion. A molecule must be nonpolar if the molecule has a symmetrical charge distribution. A molecule must be nonpolar if the molecule has a symmetrical charge distribution. An electrolytic cell differs from a voltaic cell because an electrolytic cell requires an outside energy source for a nonspontaneous chemical reaction to occur. As electrons push each other around, the electron orbital clouds form different shapes. Scientists propose that atoms can have up to seven principle energy levels of electrons around the nucleus. This orbital diagram for nitrogen shows how electrons fill the sub-orbitals. Wave Mechanical .This is the electron configuration for the element sulfur, which has 16 electrons. We and everything around us are made of tiny groups of particles, called atoms. While atoms were once thought to be the smallest unit of matter, they are actually made up of much tinier, high-energy, negatively-charged particles circling at a crazy pace around a nucleus of positive and neutral particles. Since the outer-shell (valence) electrons control the chemical properties of a material, it would be useful to understand how they behave.</span>
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The half-life of the carbon 14 isotope is 5730 years. If there were 4 billion atoms of C-14 in a particular organism at the time
Lina20 [59]

Answer:

1 billion

Explanation:

The computation of the number of atoms for C-14 is shown below:

Because it is mentioned

Half the isotope for carbon 14 is 5,730 years

Currently if there had been 4 billion it would equate to 2 billion

Now that the 2 billion would've been 1 billion in the next 5,730 years

And it'll become 3 half-life

Therefore the number of C-14 atoms is 1 billion

3 0
3 years ago
Atoms can gain lose or share electrons durning a chemical change why doesn't this cause the atoms identities to change?
Lynna [10]
<span>An atom's identity, that is, whether it is 'oxygen' or 'plutonium', for example, is determined solely by the number of protons in the nucleus. The number of neutrons also plays a part - a differing number of neutrons can change an atom from one isotope of an element into another, but the atoms would still remain the same element, albeit a different isotope. The number of electrons orbiting the atom does not change the identity of the atom, only it's electronic state. Take electrons away and it becomes a positively charged ion of the same element. Add electrons and it becomes a negatively charged ion, but still of the same element.</span>
7 0
3 years ago
Molar mass of osmium
lidiya [134]

Answer:-

190.23 gram mol-1

Explanation:-

Molar mass is the mass of 1 mole of that substance. It's unit is gram / mol or gram mol-1.

For an element it is equal to it's atomic weight.

The atomic weight of Osmium is 190.23

Hence the molar mass of Osmium is 190.23 gram / mol

7 0
4 years ago
If 0.6 moles of N2 are reacted, how many moles of H2 are used?
Verizon [17]

Answer:

6 moles

Explanation:

Take a look at the balanced chemical equation for this synthesis reaction

N

2(g]

+

3

H

2(g]

→

2

NH

3(g]

Notice that you have a  

1

:

3

mole ratio between nitrogen gas and hydrogen gas. This means that, regardless of how many moles of nitrogen gas you have, the reaction will always consume twice as many moles of hydrogen gas.

So, if you have  

2

moles of nitrogen taking part in the reaction, you will need

2

moles N

2

⋅

3

moles H

2

1

mole N

2

=

6 moles H

2

3 0
3 years ago
Ni-cad (nickel–cadmium) batteries have a slightly lower cell potential than the common alkaline value of 1.5 v normally used in
Lorico [155]
The half-reaction are:

Cd ---> Cd(OH)₂
The oxidation number of Cd changed from 0 to +2. So, the number of mol electron transferred here is 2.

NiO(OH) --> Ni(OH)₂
The oxidation number of Cd changed from +3 to +2. So, the number of mol electron transferred here is 1.

Now, the greatest common factor would be 2. So, we use n=2 for the formula for ΔG°. F is Faraday's constant equal to 96,485 J/mol e.

ΔG° = nFE° = (2)(96,485)(1.5) =<em> 289,455 J</em>


6 0
3 years ago
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