Answer:
The nucleus consists of 4 protons (red) and 5 neutrons (orange). Four electrons (white) occupy available electron shells (rings). The stability of an element's outer (valence) electrons determines its chemical and physical properties. Subatomic particles are particles that are smaller than the atom. Protons, neutrons, and electrons are the three main subatomic particles found in an atom. Protons have a positive (+) charge. An easy way to remember this is to remember that both proton and positive start with the letter "P."
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Answer:
Because both carbon and oxygen are demanded to obey the octet's rule.
Explanation:
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In this case, recalling the Lewis dot structure of CO₂ which is basically:

We know oxygen has six valance electron whereas carbon four valence electrons, it means that oxygen needs two electrons in order to attain eight electrons and carbon needs four electrons for the same purpose. In such a way, as carbon dioxide contains one carbon atom and two oxygen atoms we infer that each oxygen is providing two electrons for a total of four to allow the carbon obey the octet as well as oxygen and this is attained via two double bonds.
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Answer:
C
Explanation:
Because how would you know what the reaction rate is and how it is affected by the concentrations
Explanation:
taste sour (vinegar)
smell frequently burns nose
texture sticky