Brainliestttme : )

compare the type of change that occurs when a match is burnt and when a liquid starts boiling. use complete sentences to justify the type of change that occurs.

When a match is burnt, it undergoes a chemical change; the flammable substance on the match and most of wood stick are thoroughly burnt, the reaction forms a new product (CO2), the chemical composition is changed, and it is permanent/irreversible.

When you boil water, you are chasing a physical change: the phase state shifts from liquid to gas, the chemical composition remains the same, and the process is temporary/reversible.

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.