Question

Which element will shows spontaneous combustion?

Answer 1

lithium

Spontaneous means the process or reaction that occurs suddenly on its own or a process that needs an initiator.

Whereas non-spontaneous processes are the processes that take time to occur.

Hope it helps u☺❤

Answer 2

1.phosphorous(p)

2.calcium(ca)

3.copper(cu)

4.lithium(li)