Math

QuestionWhat is the formula of the compound formed from K\mathrm{K} and O\mathrm{O} in a chemical reaction?

Studdy Solution

STEP 1

Assumptions1. The given elements are K (Potassium) and O (xygen). . The elements combine to form a stable compound.
3. The compound is formed by the transfer of electrons, resulting inionic bonding.
4. The compound follows the octet rule, which states that atoms tend to combine in such a way that they each have eight electrons in their valence shells, giving them the same electronic configuration as a noble gas.

STEP 2

First, we need to determine the valence electrons of each element. The valence electrons are the number of electrons in the outermost shell of an atom.Potassium (K) is in group1 of the periodic table and thus has1 valence electron. xygen () is in group16 of the periodic table and thus has6 valence electrons.

STEP 3

Next, we need to determine how many electrons each atom needs to achieve a stable electron configuration.Potassium (K) needs to lose1 electron to achieve a stable electron configuration. xygen () needs to gain2 electrons to achieve a stable electron configuration.

STEP 4

Now, we can determine the ratio in which the atoms combine.Potassium (K) can give away its1 electron to one oxygen atom. But, one oxygen atom needs2 electrons to achieve stability. Therefore, we need2 potassium atoms for every oxygen atom to balance the electron transfer.

STEP 5

Finally, we can write the formula of the compound.The formula of the compound is K2, which means it contains2 atoms of potassium (K) and1 atom of oxygen ().
The formula of the compound formed by K and O is K2.

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