2. Which statement about bonding is correct? (1 point)
2 answers:
2. O Breaking bonds releases energy and is endothermic.
3. O pull electrons away from other elements
<h3>Endothermic v/s Exothermic:</h3>- An endothermic reaction occurs when <u>energy is absorbed </u>from the surroundings in the form of heat. While an exothermic reaction is one in which <u>energy is released</u> from the system into the surroundings.
- In an endothermic reaction, the reaction mixture absorbs heat from the surroundings. Therefore, <u>the products will have a higher energy than the reactants</u> and <em>ΔH will be positive</em>. In an exothermic reaction, the reaction mixture <u>releases heat to the surroundings</u>.
Fluorine is a member of Halogen family having one electron less to acquire stable noble gas configuration. Thus in order to attain one more electron it will gain one electron so as to be stably complete.
Thus the correct options are given above.
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Answer: The bond formed between the elements will be ionic bond.
Explanation: We are given two elements having electronic configurations:
Element 1:
Element 2:
Element 1 can easily loose 1 electron to attain stable electronic configuration and Element 2 can accept 1 electron to attain stable electronic configuration.
For these elements, there will be a complete transfer of electron from Element 1 to Element 2. Hence, this will form a ionic bond.
From the configuration, Element 1 is Lithium and Element 2 is Fluoride. So, the compound is LiF.