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In-s [12.5K]
3 years ago
14

explain what happens to the energy stored in an item after it stops working or is no longer functional. Explain in depth

Chemistry
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

it gets rust and could not run properly

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What did Ernest Rutherford discover? How was his model different from Thomson’s?
s2008m [1.1K]

Answer:

thomson developed the chocolate chip method which was the identification of the electrons in the core of an atom.  Rutherford discovered that the core was only positive and that the electrons were floating outside of the core.

Explanation:

4 0
3 years ago
What is the center of the atom called?
AnnZ [28]

Answer:

nucleus

Explanation:

thats 100% the answer

6 0
2 years ago
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Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron conf
sineoko [7]

Answer:

1s² 2s² 2p³

Nitrogen

Explanation:

Excited state configuration: 1s² 2s² 2p² 3s¹

Unknown:

Ground state configuration = ?

Element symbol = ?

Solution:

Let us start by understanding what a ground state configuration entails:

A ground state configuration shows the lowest allowed energy levels of an atom. The excited state denotes when electrons have moved to higher energy levels away from their ground state.

The superscript in the configuration depicts the number of electrons in each of the sublevels.

We can use this number to identify the atom we are dealing with:

 Total number of electrons = 2 + 2 + 2 + 1 = 7 electrons

The element with 7 electrons on the periodic table is Nitrogen.

Now, the ground state configuration:

In writing the electronic configuration of an atom, certain rules must be complied with.

  • Aufbau's principle states that the sublevels with lower energies are filled up before those with higher energies. The order of filling is:

        1s 2s 2p 3s 3p 4s etc

To fill the s-orbital = 2 electrons

                p-orbital = 6 electrons

The outermost shell electrons are usually the ones excited.

  Now, the 3s¹ shell is an excited one taking 1 electron from the second energy level;

 The ground state configuration is 1s² 2s² 2p³

5 0
3 years ago
Which of the following pairs are isotpes?
grin007 [14]
The answer is B because isotopes have the same number of protons and neutrons.
5 0
3 years ago
The human population is predicted to continue increasing as climate change also increases. Which technology doesn't directly add
creativ13 [48]

Answer:

B

Explanation:

7 0
3 years ago
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