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nataly862011 [7]
3 years ago
11

What is unique about the nitrogen family

Chemistry
2 answers:
ankoles [38]3 years ago
7 0
Nitrogen molecule is diatomic, whereas other elements form tetraatomic molecules.
attashe74 [19]3 years ago
7 0
The molecules and cells make up of one big badonleydonk so that’s why they all connect
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Adding more water to instant coffee will make the coffee a darker color
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False , it will make it lighter
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the elements helium (he), neon (ne), and xenon (xe) are all part of the same on the periodic table plz answer correctly gets a b
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Noble gas. Noble gas, any of the seven chemical elements<span> that make up Group 18 (VIIIa) of the </span>periodic table<span>. The </span>elements<span> are </span>helium<span> (</span>He<span>), </span>neon<span> (</span>Ne<span>), argon (Ar), krypton (Kr), </span>xenon<span> (</span>Xe<span>), radon (Rn), and oganesson (Og)</span>
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The electron configuration for an atom is 1s 2s 2p2. How many electrons does the atom have?
taurus [48]

Answer:

Four  

Step-by-step explanation:

The <em>superscripts</em> in an electron configuration tell us how many electrons are in a subshell.

If the electron configuration is 1s¹ 2s¹2p², the total number of electrons is

1 + 1 + 2 = 4

The atom contains four electrons.

<em>Note</em>: this atom is in an <em>excited state</em>, because the 1s and 2s subshells can each hold one more electron.

7 0
3 years ago
C. Why do chemists routinely test existing chemicals?
frozen [14]

Answer :

The chemists such as analytical chemists determine the structure, composition, and nature of substances by examining and identifying their various elements or compounds. These chemists are crucial to the pharmaceutical industry because pharmaceutical companies need to know the identity of compounds that they hope to turn into drugs.

8 0
3 years ago
The following is an example of which type of chemical reaction?Na (s) + H2O (l) Imported Asset NaOH (aq) + H2 (g)
lora16 [44]

Answer:

The answer to your question is Single replacement

Explanation:

Data

Chemical reaction

                 Na  +  H₂O  ⇒   NaOH  +  H₂

Single replacement  is a chemical reaction in which a metal replaces the cation of a compound.

Decomposition  is a chemical reaction in which a compound forms 2 or more products.

Double replacement  in this chemical reaction two compounds react interchanging their cations and anions.

Combustion in this chemical reaction the reactants must be a compound with carbon and the other oxygen and the products must be carbon dioxide and water.

4 0
3 years ago
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