Answer:
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Answer:
<h3>Which of the following is the correct definition for electronegativity</h3>
<h3>А. The amount of energy to attract or bond electrons</h3>
Answer:
B. A chemical change occurred which caused the liquid's physical properties to change.
Explanation:
The reduction of the temperature of the system meant that the reaction absorbed heat energy from it. This shows that a chemical reaction was in progress. New products were formed, and this is proved by the change in the color to blue.
Isotopes of any given factor all incorporate the equal variety of protons, so they have the identical atomic wide variety (for example, the atomic wide variety of helium is usually 2). Isotopes of a given factor include exceptional numbers of neutrons, therefore, special isotopes have special mass numbers.
None of them really sound like the answer, but my best guess would probably be the second one. It doesnt give much info.
