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makvit [3.9K]
3 years ago
14

In the mid-1900s, most scientists used the Bohr atomic model to study atoms. In the Bohr model, electrons move in set paths arou

nd the atom's nucleus.
In current atomic models, electron clouds are shown around the atom's nucleus. Electron clouds are regions where electrons are likely to be found.

What is a limitation of current atomic models as compared to the Bohr atomic model?

A. Current atomic models do not indicate the position of the nucleus within the atom's structure.

B. Current atomic models do not show how many electrons an atom has.

C. Current atomic models do not show where the electron is but only where the electron is likely to be.
Chemistry
2 answers:
patriot [66]3 years ago
7 0

Answer:

The answer is C.

Explanation:

Novosadov [1.4K]3 years ago
5 0
The answer is c beca it true
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This is to fill in the answer to the question.

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3 years ago
Draw a lewis structure for ketene, c2h2o, which has a carbon–carbon double bond
MrMuchimi

Visual representation of covalent bonding indicating the valence shell electrons in the molecule, lines represents the shared pair of electron and pair of electrons that are not involved in bonding are represented as dots(lone pairs) are known as Lewis structures.

Compound formation takes place in order to complete the octet of each element that is according to octet rule, each atom forms bond with other atom in order to complete their octet that is to get eight electrons in its valence shell and attain stability.

An organic compound of the form R^{'}R^{''}C=C=O is known as ketene.

The given ketene is C_2H_2O.

The number of valence electron of:

C = 4

H = 1

O = 6

The number of valence electrons in C_2H_2O = 2\times 4+2\times 1+1\times 6 =16

2 electrons are involved in each single bond between carbon and hydrogen and 4 electrons are involved in each double bond formed between carbon-carbon and carbon-oxygen. Hence, the total number of electrons involved in bond formation are 12 and rest 2 pair of electrons are present on oxygen as lone pair of electrons.

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3 years ago
Chemical compounds that contain the –NH2 functional groups are _____.
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The answer is amides 
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3 years ago
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3 years ago
Calculate the mass percent (m/m) of a solution prepared by dissolving 45.09 g of NaCl in 174.9 g of H2O.
inysia [295]

Answer:

20.3 %  NaCl

Explanation:

Given data:

Mass of solute = 45.09 g

Mass of solvent = 174.9 g

Mass percent of solution = ?

Solution:

Mass of solution = 45.09 g + 174.9 g

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220 g = 2.22 × 45.09

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Thus m/m% = 20.3 %  NaCl

5 0
3 years ago
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