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fenix001 [56]
3 years ago
5

Atoms and ions are held together by..

Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
3 0

Answer:

chemical bonds

Explanation:

The atoms in chemical compounds are held together by attractive electrostatic interactions known as chemical bonds. Ionic compounds contain positively and negatively charged ions in a ratio that results in an overall charge of zero. The ions are held together in a regular spatial arrangement by electrostatic forces.

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3 years ago
"an acid is a substance that forms hydrogen ions when dissolved in water." this is an example of —
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Answer is: this is an example of an Arrhenius acid.

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For example hydrochloric acid: HCl(aq) → H⁺(aq) + Cl⁻(aq).

An Arrhenius base is a substance that dissociates in water to form hydroxide ions (OH⁻<span>). 
In this example lithium hydroxide is an Arrhenius base:</span>

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3 years ago
what is the predicted order of fist ionization energies from highest to lowest for beryllium, calcium, magnesium, and stronium?
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4 0
3 years ago
Read 2 more answers
Examine the general structure of a molecule.
Lilit [14]

Answer:

Explanation:

functional groups are specific substituents or atoms within molecules that brings about chemical reactions of those molecules. There is the same or similar chemical reaction in compounds with the same functional groups.

1.)The functional group in Alkyl halides is halogen atom whille

The functional group in Alcohols have

is OH group. There is a double bond in HX or an HOH molecules.

2.)The functional group of carboxylic acid is an organic compound is carboxyl functional group.While The functional group in amine contains a basic nitrogen atom with a lone pair of electrons.

3.)The functional group in ester is a carboxylic acid derivative that is analogous to the Amides

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3 0
3 years ago
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<span>Ethanol solid --> ethanol melts --> ethanol liquid </span>
<span>-135C ---------------> -114C --------------> -50C </span>
<span>............ ΔT = 21C ....... ....... ΔT = 64C </span>
7 0
3 years ago
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