Name four Petro chemical and their uses​

Fertilizers like pesticides are used to protect crops from any sort of damage and increase crop production. Wax, also a by-product of petroleum, is used to make candles and mold various show pieces, polishes, and milk cartons. Detergent, a petrochemical product is also used in every day life.

your picture is not part of the scientific method.

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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