Question

please help asap!! will give brainliest if right.


A student listed the characteristics of chemical and nuclear reactions.



Chemical and Nuclear Reactions:

X - Changes the identity of the element

Y - Does not change the identity of the element



Which of these statements best explains the identity of Reaction X?

It is a nuclear reaction because the identity of elements changes when there is a change in the number of protons and neutrons.

It is a chemical reaction because the identity of elements change when there is a change in the mass of the atoms involved.

It is a chemical reaction because the identity of elements change when there is a change in the overall energy of the system.

It is a nuclear reaction because the identity of elements change when there is a change in the number of outermost electrons.

Answer 1

Answer:

1st answer is right

Explanation:

nuclear reaction takes place when number of proton or neutron changes in a nucleus forming new products

for eg uranium goes nuclear reaction and gives thorium

Answer 2

Answer:

It is a nuclear reaction because the identity of elements changes when there is a change in the number of protons and neutrons.

Explanation:

the other guy needs a brainliest