Answer:
Energy is absorbed in the form of heat. so the reaction is
ENDO (COMES IN)-THERMIC (HEAT)
Explanation:
What must occur in order for a chemical reaction to be specifically classified as endothermic instead of exothermic?
Atoms are rearranged.
Chemical bonds are formed.
Energy is released in the form of heat.
Energy is absorbed in the form of heat.
Answer:
Los metales alcalinotérreos son casi estables, pues si pierden dos electrones tendrán una configuración bien estable. ... Dicho de otro modo, a menos que indique lo contrario, las generalidades de los metales alcalinotérreos estarán referidas para todos los elementos del grupo 2 MENOS el berilio y el radio.
Explanation:
The best choice that explains why atoms of carbon-14 (c-14) are unstable is there are 2 more protons than neutrons in the nucleus
<h3>
What is a stable atom?</h3>
An atom is said to be stable if the number of neutrons in the nucleus is greater than number of protons in the nucleus, because the the neutrons increases the nuclear force which keeps the atom stable.
Thus, the best choice that explains why atoms of carbon-14 (c-14) are unstable is there are 2 more protons than neutrons in the nucleus.
Learn more about stable atom here: brainly.com/question/1948879
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