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ohaa [14]
3 years ago
11

Plz answer all 3, I will give 5 stars and brainiest!!! :) THANKS

Chemistry
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

B. Positive charge is caused by lack of electrons. A positive ion is formed by the loss of negatively charged electrons. Although the number of protons does not change in the ion, there is an excess number of protons over electrons which produces the positive charge. All electrons in the outer energy level are lost.

C. If there are more electrons than protons, then the element is a negative ion. The amount of neutrons does not play a factor into making a difference between an atom or an ion.

Explanation:

please give brainliest. :)

and have a great day!

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Help me with this work plz plz
storchak [24]

Answer:

a -4

b - 8

c - 5

d 2

Explanation:

Significant Figures: The number of digits used to express a measured or calculated quantity. By using significant figures, we can show how precise a number is. ... Accuracy: Refers to how closely individual measurements agree with the correct or true value.

7 0
2 years ago
If gas pressure is held constant and the temperature is decreased, gas volume will _____
saw5 [17]

Answer:

Increase

Explanation:

If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.

5 0
4 years ago
70<br><br> What is 27/100 plus 3/10 equals
Brut [27]

Answer:

that is my answer hope it helps you out

Explanation:

i got 1.40 for my answer

6 0
3 years ago
*CONNEXUS, Anyone have the answers for chemistry b, chemical reaction systems!? Please
NeX [460]

If you want to optimize environmental impact, the ores should be sifted at the site before transporting.

<h3>What is an ore?</h3>

An ore refers to the raw material from which a material is made. Usually, ores are obtained in the raw state from the earth. Metal ores are very important in the manufacturing industry.

In order to reduce the environmental impact of the manufacturing of ores in the metallurgical industry, the ores should be sifted at the site before transporting.

Learn more about environmental impact : brainly.com/question/1023358

6 0
2 years ago
Which equation represents the combined gas law?
lorasvet [3.4K]
<span>((P1V1/T1)=(P2V2/T2))</span>
8 0
4 years ago
Read 2 more answers
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