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Olin [163]
3 years ago
6

Lons are defined as ____

Chemistry
2 answers:
ycow [4]3 years ago
5 0

Answer:

Option A) Atoms have lost or gained an electron and have a charge

Explanation:

The result of a loss or gained electron can cause a large or lesser number of protons than the electrons, which causes a charge imbalance because protons have a positive charge and electrons have a negative charge.  If the number of protons or the number of electrons is unequal, then it means that the atom has a charge, and is an ion.  It is a cation if it lost an electron such that it has a positive charge and it is an anion if it gained an electron such that it has a negative charge.

Please mark for Brainliest!! :D Thanks!!

For any questions or more information, please comment below and I'll respond as soon as possible.

r-ruslan [8.4K]3 years ago
3 0

Answer:A

Explanation: ion

an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

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The theory that all substances consist of tiny pieces of matter
frosja888 [35]

Answer:

Hey

It should be Atomic theory,

First proposed in the 15th centery by Aristotle, it states that all matter is made of <em><u>induvisable particles called atoms...</u></em>

6 0
3 years ago
A gas has a pressure of 760 torr at 21 degrees Celsius. What is the pressure of the gas at 250 degree Celsius.
weeeeeb [17]

Answer:

Given,

P1=760 torr

T1=21°C

T2=250°C

P2=?

Solution,

According to Gay-Lussac's Law or Third Gas Law,

P1T2=P2T1

760×250=21×P2

P2=9047 torr

9047 is the pressure of the gas at 250 degree Celsius.

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3 years ago
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If you placed the letter g under a microscope, how would the image look in the field of view and why?
vaieri [72.5K]
<span>If you placed the letter g under a microscope, the image in the field would look completely inverted. So, instead of seeing a regular letter g, it would be inverted both from up to down and from left to right, so when you look at the letter under a microscope, it would no longer look like the letter g, but rather like the number 6. This would happen because of the convex lens which tends to invert, or flip images.</span>
7 0
3 years ago
A chemist adds 180.0 mL of a 1.42M sodium carbonate (Na CO,) solution to a reaction flask. Calculate the millimoles of sodium ca
svet-max [94.6K]

Answer: The millimoles of sodium carbonate the chemist has added to the flask are 256

Explanation:

Molarity is defined as the number of moles dissolved per liter of the solution.

To calculate the number of moles for given molarity, we use the equation:

\text{Molarity of the solution}=\frac{\text{milli moles of solute}}{\text{Volume of solution in ml}}     .....(1)

Molarity of BaCl_2 solution = 1.42 M

Volume of solution = 180.0 mL

Putting values in equation 1, we get:

1.42M=\frac{\text{milli moles of }BaCl_2}{180.0ml}\\\\\text{milli moles of }BaCl_2}={1.42M\times 180.0ml}=256milli mol

Thus the millimoles of sodium carbonate the chemist has added to the flask are 256.

6 0
3 years ago
Sabrías citar al menos tres elementos gaseosos en estado natural
Bas_tet [7]

Answer:

a change in the level of consumer income

Explanation:

4 0
2 years ago
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