What is a negatively charged subatomic particle?

Answers

Answer 1

Answer: i think its electrons

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An atom in an excited state has an electron configuration of 2-7-2. Explain in terms of subatomic particles, why the excited atom described is electrically neutral.
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What kind of atmosphere does a gas giant have?

Answers

The atmosphere is thick and gaseous. The most common gases are helium and hydrogen.

To what volume in millimeters must 50.0 mL of 18.0 M H2SO4 be diluted to obtain 4.35 M H2SO4?

Answers

We know that to relate solutions of with the factors of molarity and volume, we can use the equation: $M_(1) V_(1) = M_(2) V_(2)$

**NOTE: The volume as indicated in this question is defined in L, not mL, so that conversion must be made. However it is 1000 mL = 1 L.

So now we can assign values to these variables. Let us say that the 18 M $H_(2) SO_(4)$ is the left side of the equation. Then we have:

$(18 M)(0.050 L)=(4.35M) V_(2)$

We can then solve for $V_(2)$ :

$V_(2)= ((18M)(0.05L))/(4.35M)$ and $V_(2) =0.21 L$ or $210 mL$

We now know that the total amount of volume of the 4.35 M solution will be 210 mL. This is assuming that the entirety of the 50 mL of 18 M is used and the rest (160 mL) of water is then added.

What is 16.00 kPa in atm?

Answers

There are 101.325 kPa in 1 atm. You are given 16 kPa and convert it to atm. All you need to do is divide 16 kPa to 101.325 kPa and you will get 0.16 atm

The components in a mixture do not combine chemically true or false?

Answers

True
A mixture is a combination of two or more substances in any proportions. The substances in a mixture do not combine chemically, so they retain their physical properties

Radioactive isotopes may be used to _____ complex chemical processes.

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Answer: radioactive isotopes may be used to Trace complex chemical processes.

Final answer:

Radioactive isotopes can be used to study complex chemical processes, such as determining the age of ancient artifacts using carbon dating.

Explanation:

Radioactive isotopes can be used to study complex chemical processes. This is because some isotopes emit radiation that can be detected and measured, allowing scientists to track the movement and transformations of chemicals in a reaction. For example, carbon-14 is a radioactive isotope that can be used to determine the age of ancient artifacts through a process called carbon dating. By measuring the amount of carbon-14 remaining in an object, scientists can calculate how long it has been since the carbon-14 was last replenished.

Learn more about Radioactive isotopes and chemical processes here:

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The Earth's systems are all interdependent, which means that A. each system has no influence on the other systems. B. one system can overpower the other systems, causing damage to the Earth. C. each system works by itself to benefit the Earth. D. each system is unique, yet each interacts with the others.

Answers

The answer to the question is D. each system is unique, yet each interacts with the others. In an interdependent system, each part of the system works in its own way but interacts with the others. When combined together, all the different systems produce individual benefits but interact with one another to produce a huge benefit for the planet Earth.

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