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lara31 [8.8K]
2 years ago
5

Hi, pls can someone answer I'll give brainliest

Chemistry
2 answers:
Temka [501]2 years ago
6 0

D is the answer so now we can understand

True [87]2 years ago
5 0

Answer:

to my understanding D iz da answer

Explanation:

let hope dat it will help u

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Which of the following electron configurations are written incorrectly?
Lynna [10]

Answer:

The electronic configuration that are incorrectly written is 1s²2s³2p⁶, 4s²3d¹⁰4p⁷, 3s¹ and 2s²2p⁴.

Explanation:

The electronic configuration of the elements corresponds to how all the electrons of an element are arranged in energy levels and sub-levels.

There are 7 energy levels —from 1 to 7— whose sublevels are described as s, p, d and f.

All electronic configurations begin with the term "1s" —corresponding to the sublevel s of level 1— so 4s²3d¹⁰4p⁷, 3s¹ and 2s²2p⁴ are incorrectly written. In addition, 4s²3d¹⁰4p⁷ is written incorrectly because is impossible to jump from the sublevel "s" to the sublevel "d" —which is found from level 3 and up— without passing through the sublevel "p".

In the case of 1s²2s³2p⁶, the wrong thing is that the sublevel "s" can only hold two electrons, not three.

The other options are correctly written.

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3 years ago
WHAT CAUSES THE MOVEMENT OF THESE AIR PARTICLES IN SOUND WAVES?
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A vibrating string can create longitudinal waves as depicted in the animation below.



The answer is C) vibrations
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3 years ago
What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with
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Evidence that best supports the theory of biological evolution was obtained from the
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The homologous structures and the analogous structures of different species.
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2 years ago
A topographical map would be useful for which activity? A. planning a hiking trip B. studying plant growth over time C. studying
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The answer is A. planning a hiking trip

A topographical map would not help studying plant growth over time unless you are looking for a better altitude to plant said plants.

A topographical map would not help studying rainfall for one year unless your location was <em>really</em> so high or low that it affected your weather

And most of all, a topographical map would not be useful for planning a cuise across the Atlantic Ocean because the elevation of the sea is zero!

A topographical map <em>would</em> be useful for planning a hiking trip because there are many factors and details that a hike should have. Which includes height, distance, paths, and elevation.
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3 years ago
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