De la siguiente lista de materiales identifica si corresponde a un elemento, compuesto, mezcla homogénea o mezcla heterogénea:
Acido
acetilsalicílico,
Aire
Azúcar
Bronce
Coctel de frutas
Gasolina
humo de tabaco
oro 14 quilates
ozono
perfume
sal de mesa
sangre
sodio
agua oxigenada
aspirina
tinta
jugó naranja natural
leche entera

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

The identities of substances are the same before and after which type of change