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sesenic
3 months ago
12

Identify one disadvantage to each of the following models of electron configuration:

Chemistry
2 answers:
lions [2.9K]3 months ago
6 0

Answer:

Below are the downsides of each electron configuration model:

1). Dot Structures - They consume more space and fail to convey the electron distribution within orbitals.

2). Arrow and line diagrams complicate electron counting and also take up excessive space.

3). Written Configurations do not illustrate electron distribution in orbitals, leading to possible errors in counting electrons.

alisha [2.9K]3 months ago
5 0

Advantages:

-Dot structures simplify electron counting and indicate how many electrons reside in each electron shell.

-Arrow and line diagrams represent electron spin and include every orbital.

-Written configurations take up little space and effectively display electron distribution across subshells.

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Compaction is most significant as a lithification process for sedimentary rocks composed of sand-sized particles. True False
VMariaS [2998]

Response:

FALSE

Rationale:

Sedimentary rocks are defined as rocks formed through the processes of compaction and cementation. Initially, sediments derived from various locations must accumulate. Over time, these deposited sediments undergo substantial compaction due to the weight of the layers above. This process converts loose sediments into solid rock. This is the process through which sedimentary rocks, comprised of sand-sized particles, are formed. For instance, examples include Shale, Sandstone, and Mudstone.

Thus, both compaction and cementation are crucial in the formation of sedimentary rocks.

Therefore, the statement above is False.

8 0
3 months ago
Calculate the mass, in grams, of a single tellurium atom (mte = 127.60 amu ).
castortr0y [3046]

1 atomic mass unit (amu) represents the mass of an atom or is used to measure mass on an atomic scale. It is also referred to as a dalton, abbreviated as Da, while atomic mass unit is indicated as amu.

1 amu can be translated into grams as follows:

1 amu = 1.6 * 10^-2^4 g

Mass of Te = 127.6 amu

For conversion into grams:

M = (127.6 ) * 1.6 * 10^-2^4 g

M = 204.16 * 10^-2^4 g

Therefore, the mass of Te is 204.16 * 10^-2^4 g

8 0
3 months ago
Read 2 more answers
What volume of co2 gas at 645 torr and 800. k could be produced by the decomposition of 45.0 g of caco3? caco3(s) → cao(s) + co2
KiRa [2933]
In the reaction: <span>caco3(s) → cao(s) + co2(g), it is evident that
1 mol (which is 100 g) of CaCO3 yields 1 mol (which is 44 g) of CO2
Now, the molarity of CaCO3 present in the reaction system is
</span>= \frac{weight of CaCO3 (g)}{gram molecular weight}
= \frac{45}{100} = 0.45 mol

Thus, 0.45 mol of CaCO3 leads to the formation of 0.45 mol of CO2.

According to the ideal gas equation, we have PV = nRT
V = \frac{nRT}{P}.
Considering P = 645 torr = 0.8487 atm (because 1 atm = 760 torr)
In that case, V = \frac{0.45 X 0.08206 X 800}{0.8487}

= 34.8 l
5 0
2 months ago
Identify Earth’s neighbors in the solar system by choosing the correct answer. The are bodies of rock or gas that are named for
eduard [2782]

Answer: These celestial bodies are composed of rock or gas and are named after ancient deities.

Explanation:

Earth is the THIRD planet from the Sun and is capable of sustaining life for various organisms.

VENUS ranks as the second planet in our solar system and derives its name from the Roman goddess associated with love and beauty.

MARS, the fourth planet, gets its name from the Roman goddess of war.

Hence, Venus and Mars are NEIGHBORS to EARTH.

6 0
3 months ago
Read 2 more answers
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