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tigry1 [53]
3 years ago
9

99.9% of the matter that makes up living organisms consist of how many elements

Chemistry
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

6 elements.

Explanation:

99.9% by weight of most living things is made of the six elements: hydrogen, carbon, nitrogen, oxygen, phosphorus, and sulfur (backwards using just the letter abbreviations this spells SPONCH).

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Elabora un organizador visual de cuales son las partes de una carta
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Espero te ayude
3 0
3 years ago
True or false. for all atoms of the same element the 4s orbital is larger than the 3s orbital
Alenkinab [10]

Answer:

Between 4s and 3s orbital , 3s has more energy .

Explanation:

According to the rule , the lower the value of (n+l) for an orbital , the lower is it's energy . And if two orbitals have the same value of (n+l), the orbital with lower value of n will have the lower energy .

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3 years ago
Variable changed by the scientists what is being tested
Gnoma [55]

Answer:

Hope this is helpful to you!

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6 0
3 years ago
Read 2 more answers
I really need help. Please
Oliga [24]

physical change

particles retain there composition and identity

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the chemical changes should be the other two.

If it is wrong I'm truly sorry.

6 0
3 years ago
What are electromagnetic waves, and how can they be seen?
Aleksandr [31]

radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays. Your mind interprets the energies of light as different colors, from red to violet.

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