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marshall27 [118]
3 years ago
13

Select all of the following that are particles of atoms. protons neutrons electrons quarks Atoms are composed of particles calle

d protons, electrons and neutrons.
Chemistry
2 answers:
dolphi86 [110]3 years ago
8 0

The answer is protons, neutrons, electrons, and quarks...

hram777 [196]3 years ago
3 0
Its actually all of them. Quarks if you are unfamiliar is what makes up subatomic particle like protons.
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6 0
3 years ago
Which represents the self ionization of water at 25 degrees
gayaneshka [121]
This question comes with four answer choices:

<span>A. H2O + H2O ⇄ 2H2 + O2

B. H2O + H2O⇄  H2O2 + H2

C. H2O + H2O ⇄ 4H+ + 2O2-

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Answer: option </span><span>D. H2O + H2O ⇄  H3O+ + OH-

(the +sign next to H3O is a superscript, as well as the - sing next to OH)

Explanation:

The self-ionization of water, or autodissociation, produces the two ions H3O(+) and OH(-). The presence of ions is what explain the electrical conductivity of pure water.

</span><span>In this, one molecule of H2O loses a proton (H+) (deprotonates) to become a hydroxide ion, OH−. Then, he <span>hydrogen ion, H+</span>, immediately protonates another water molecule to form hydronium, H3O+.
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3 years ago
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