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Natasha2012 [34]
4 years ago
11

Which elements are designated as the alkaline-

Chemistry
1 answer:
Aneli [31]4 years ago
8 0

Answer:

The alkali metals exhibit many of the physical properties common to metals, although their densities are lower than those of other metals. Alkali metals have one electron in their outer shell, which is loosely bound. ... Alkali metals have low electronegativities. They react readily with nonmetals, particularly halogens.

Explanation:

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Answer:

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Explanation:

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5 0
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Read 2 more answers
How many valence electrons are there in sulfur, and iodine.
Vinil7 [7]

Today I will explain what a valence electron is and how many valence electrons each of the atoms your asking about have. :)

→ A valence electron is an electron in the outer shell of an atom that is able to participate in bonding. While iodine has 53 electrons, all but seven are in the inner shells of the iodine atom.

→ Sulfur has sixteen electrons in total, two in the inner shell, eight in the middle, and six in the outer. This means that sulfur has six valence electrons.

↑   ↑   ↑   Hope this helps! :D

7 0
3 years ago
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kvv77 [185]

Answer:

<h2>9 kg.m/s</h2>

Explanation:

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momentum = mass × velocity

From the question we have

momentum = 3 × 3

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<h3>9 kg.m/s</h3>

Hope this helps you

8 0
3 years ago
In the electron cloud model, if you begin at the electron shell closest to the nucleus of an atom and move out, what is the numb
Serga [27]
Option B: 2, 8, 18, 32.

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8 0
3 years ago
What element is represented in this model if the atomic number is 3?<br> This is science
Readme [11.4K]

Answer:

Lithium (Li)

Explanation:

Lithium has an atomic number of  3

6 0
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