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hodyreva [135]
3 years ago
6

Which statement best reflects a change in weather

Chemistry
2 answers:
Maurinko [17]3 years ago
4 0
Option A. is the best answer
Firdavs [7]3 years ago
4 0

The answer is A,Today is cloudy, but tomorrow will be clear and sunny.

Hope this helped :) have a nice day (:

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Pls explain ionization energy​
Oliga [24]

Answer:the energy required by an atom to lose or gain electron (e-) to be able to form ions.either cation or anion.

Explanation:

to lose or gain e- an atom has to donate or receive e- to to this it requires the more easily it can lose an electron the more electro positive it is and the more easily it gains electron the more electro negative it is.

4 0
3 years ago
What principle do we use in writing the formula of an ionic compound such as NaCl or MgI2? How do we know that two iodide ions a
Savatey [412]

Answer:

We know based on the charges of each ion and the fact that they must always sum to 0

Explanation:

Na only has one outer electon to give so it is always +1

Mg has two outer electrons so it always gets +2

Halogens have one "missing" electron in their outer shell so they get a -1

For NaCl  (+1) + (-1) = 0

For MgI2 (+2) + 2(-1) = 0

6 0
3 years ago
What are the main reasons that organic chemistry is a primarily target for "green chemistry"? I. Organic solvents are often flam
Debora [2.8K]

Answer: Option 1 and 11

1. Organic solvents are often flammable.

II. Organic solvents are often toxic.

Explanation:

Organic solvents are often flammable and Organic solvents are often toxic are the reasons why organic chemistry is a primary target of green chemistry because green chemistry is the use of principles or approach to remove hazardous or toxic substances from chemical.profuctd or processes to make them fit or safe for use and the solvents of organic chemist are toxic, therefore green chemistry remove the toxic substances.

8 0
3 years ago
which tool was mostly likely used in a procedure if the lab report shows that approximately 300 ml of water was used
DiKsa [7]

it is most likely a beaker, beacuse 300ml is quite a large volume. Otherwise, it would be a measuring cylinder or pippette

7 0
3 years ago
Which of the following fits the definition of a mineral? a. oil, because it's a liquid, not a solid b. a lab-grown diamond, beca
SVEN [57.7K]

Answer: The answer is C

Explanation:the salt fits the definition of a mineral because it's a naturally occurring compound that has a definite composition and a crystalline structure. It has a crystalline structure because of its repeating pattern

4 0
3 years ago
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