Answer:
can you please list the options it gives u
Iodine has 7 valence electrons. It needs therefore only 1 electron to be stable this is why it is so reactive.
Answer: exothermic
EXPLANATION: any process in which heat energy is released is called an exothermic process. For example burning of wood produces heat, so combustion of wood is an exothermic process.
When chemicals were not mixed they were at room temperature and when we mix them exothermic reaction took place and heat was released which raised the temperature of mixture.
Answer:
squeezing syringes contain gas
