1)¿Cuál de los/las siguientes pueden descomponerse en sustancias más simples por medios químicos únicamente?
o_elementos
* compuestos
o
mo a una probata con 100 ml
mezclas heterogéneas
100
mezclas homogéneas

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products

if you mean hydrogen and oxygen then water is the product

the seeing the electronic configuration we can say that the element is fluorine.

fluorine is the most electronegative element in the periodic table.

but by only seeing the configuration we cannot say about its reactivity because we don't know if its configuration after excitation or by addition of electrons.

but if not then, it is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. as the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.