Answer:
atomic number
Explanation:
mass is determined by the protons and neutrons
The box is expected to go to the right since the 3N is stronger than the 2N and the rightward force will over come the leftward force.
Answer:
Name: Magnesium
Atomic Number: 12
Atomic Mass: 24.305 atomic mass units
Number of Protons: 12
Number of Neutrons: 12
There is no energy available to transfer to the surroundings when bonds break as it's an endothermic reaction.
<h3>What is Endothermic reaction?</h3>
This is the type of reaction in which heat is absorbed from the surrounding and is involved in the breaking of bonds.
There is no energy available to transfer to the surroundings when bonds break because it's needed in the conversion of the reactant to product in a chemical reaction.
Read more about Endothermic reaction here brainly.com/question/6506846
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