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umka21 [38]
3 years ago
12

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Biology
1 answer:
MariettaO [177]3 years ago
6 0
The answer should be,B. It has arms that wind around it’s core.

Explanation:

a spiral galaxy is,
a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.
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reproductive cells like eggs and sperm

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If billy shot a pellet gun at a block of wood hung by a string what would happen to an unmoving block of wood after the pellet h
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3 years ago
Which of the following species is diamagnetic? View Available Hint(s) Hint 1. How to determine magnetism Which of the following
m_a_m_a [10]

Answer:

Explanation:

Cl = 1s2 2s2 2p6 3s2 3p5

Al = 1s2 2s2 2p6 3s2 3p1

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S2- = 1s2 2s2 2p6 3s2 3p6

Diamagnetic materials are repelled by a magnetic field; an applied magnetic field creates an induced magnetic field in them in the opposite direction, causing a repulsive force. If all electrons in the particle are paired, then the substance made of this particle is diamagnetic.

S2- is diamagnetic because of its paired electrons in the outermost shell.

6 0
4 years ago
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