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sveta [45]
3 years ago
5

BRAINLIESTTT ASAP!!! PLEASE HELP ME :)

Chemistry
2 answers:
umka21 [38]3 years ago
6 0

Hey Geny :)

I’m pretty sure the answer is B

Hope this helps you

-AaronWiseIsBae

Katarina [22]3 years ago
5 0

Answer:

Metals lose their valence electrons and form positive ions.

Explanation:

TOOK THE TEST AND GOT IT RIGHT

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This biome has the nutrient poor soil
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the answer is the tropical rain forest

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An electric motor turns a belt that powers a pump. If this system is compared to the chemical reactions of the cell, which part
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The electricity on which the motor runs represents ATP.

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7 0
3 years ago
Read 2 more answers
A 27.3 g marble sliding to the right at 21.0 cm/s overtakes and collides with a 11.7 g marble moving in the same direction at 12
NISA [10]

Answer:

The answer to this is

The velocity of the 27.3Kg marble after collision is = 16.24 cm/s

Explanation:

To solve the question, let us list out the given variables and their values

Mass of first marble m1 = 27.3g

Velocity of the first marble v1 = 21.0 cm/s

Mass of second marble m2 = 11.7g

Velocity of the second marble v2 = 12.6 cm/s

After collision va1 = unknown and va2 = 23.7 cm/s

From Newton's second law of motion, force = rate of change of momentum produced

Hence m1v1 + m2v2 = m1va1 + m2va2 or

va1 = (m1v1 + m2v2 - m2va2)÷m2 or (720. 72-277.29)÷m1 → va1 = 16.24 cm/s

The velocity of the 27.3Kg marble after collision is = 16.24 cm/s

4 0
3 years ago
Why does iron not fit the pattern in column 7
son4ous [18]
Iron doesn't fit because it doesn't have enough atoms or protons in its nucleus so there for it belongs in column 2. <span />
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