According to the law of conservation of energy, what will most likely happen in a closed system
energy will be exchanged along with matter.
energy will be exchanged, but matter will not be exchanged.
energy will be created along with matter.
energy will be destroyed, but matter will not be destroyed.
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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.

→

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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