Question

In an example of chemical reaction, atoms of one element each lose an electron. Atoms of another element each gain an electron. What could be the two elements?

answers:

a halogen and a noble gas

two alkaline earth metals

and alkali metal and a halogen

two halogens

Answer 1

you sure

Answer 2

In the scenario you described, where atoms of one element lose electrons and atoms of another element gain electrons, the most appropriate answer would be:

**an alkali metal and a halogen.**

In this case, alkali metals (such as sodium or potassium) are known for readily losing one electron to achieve a stable electron configuration. Halogens (such as chlorine or fluorine), on the other hand, are known for gaining an electron to complete their valence shell. This exchange of electrons typically leads to the formation of ionic bonds between these two types of elements.