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2 years ago

Which of the following atoms will have the same electron configuration?

Chemistry

1 answer:

chubhunter [2.5K]2 years ago

7 0

Answer:

I. N−3

III. F−1

Explanation:

A positive charge indicates a loss of electrons whereas a negative charge denotes electron gain.

For two species to have the same electron configuration, they must have the same number of electrons within their atomic space.

So, the solution to this problem will be two species with the same number of electrons:

Nitrogen in neutral state has 7 electrons, on gaining 3 the electrons becomes 10

Fluorine in neutral state has 9 electrons, on gaining 1 more, it will have 10 electrons.

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What is the mass of a sample of alcohol (specific heat = 2.4 J/gC), if it requires 4780 J of heat to raise the temperature by 5.

insens350 [35]

The mass of a sample of alcohol is found to be = m = 367 g

Hence, it is found out that by raising the temperature of the given product, the mass of alcohol would be 367 g.

Explanation:

The Energy of the sample given is q = 4780

We are required to find the mass of alcohol m = ?

Given that,

The specific heat given is represented by = c = 2.4 J/gC

The temperature given is ΔT = 5.43° C

The mass of sample of alcohol can be found as follows,

The formula is c = $\frac{q}{mt}$

We can drive value of m bu shifting m on the left hand side,

m = $\frac{q}{ct}$

mass of alcohol (m) = $\frac{4780}{(2.4)( 5.43)}$

m = 367 g

Therefore, The mass of the given sample of alcohol is

m = 367g

It requires 4780 J of heat to raise the temperature by 5.43 C in the process which yields a mass of 367 g of alcohol.

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3 years ago

In sodium chloride the ions are lined up in a __ patterns

adelina 88 [10]

Random or ionic bond pattern

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2 years ago

Organic molecules are defined as chemical compounds that contain ______ in distinct ratios and structures.

OLga [1]

Answer:

The answer is: <em>carbon</em>

Explanation:

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3 years ago

Animals get energy from the food that they eat. However, when the molecules from the food enter your cells, how do the molecules

sattari [20]

Answer:

The ATP is broken down into glucose which the cells use for energy.

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2 years ago

Answer question number 2

kipiarov [429]

Answer:

it would be the second choice

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2 years ago