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Andrei [34K]
3 years ago
14

The majority of the elements on the periodic table are categorized as

Chemistry
2 answers:
Gekata [30.6K]3 years ago
8 0
Types of Metals (alkali earth metals and transitional metals)
iVinArrow [24]3 years ago
7 0

Answer:

Metals

Explanation:

Study island

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Coefficients are used in a chemical formula to show the number of each element. True or False
ANTONII [103]

Answer:

The same number of each element present before the reaction takes place must also be present on the product side of the equation. Coefficients are placed in front of a chemical formula to show the number of moles of that substances that are necessary for the reaction to occur.

Explanation:

5 0
3 years ago
How many moles are in 43.9 L of oxygen
Ede4ka [16]

Answer: 2 mol

Explanation:

- According to the ideal gas law, One mole of an ideal gas at STP (standard temperature and normal pressure) occupies 22.4 liters.

- Using cross multiplication,

                               1 mol of (O2)        →       22.4 L

                                       ?                   →        43.9 L

Therefore, the number of moles of oxygen in 43.9 L = (43.9 × 1)/ 22.4 = 1.96 mol≈ 2 mol..


3 0
3 years ago
What is the correct way to smell a chemical
exis [7]

Answer:

If you need to smell the odor of a chemical, waft or fan the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.

Do not touch, eat, or smell any chemical unless instructed to do so. ... Hold chemical containers away from your body. Carefully check the label on the bottle before using its content.

8 0
3 years ago
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Which is a renewable resource?A.gold B.copper C.timber D.natural gas
romanna [79]

Answer: D. Natural Gas

Explanation:

7 0
3 years ago
Helpppppppppp please please
balandron [24]
#48 might be (A) but in not for sure
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3 years ago
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