We figured out that the gas was not something new that was added to the system but instead had to come from the stuff that was already there (the bath bomb). Choose the evidence statements that can be used to support this claim. (Choose all the apply

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

16

explanation:

the marks go by 4s