The image below shows a picture of what aluminum would look like if you could see the particles with your eyes. These particles are extremely small. Chemists refer to aluminum as an ELEMENT. Analyze the picture of aluminum carefully and try to predict what causes it to be classified as an ELEMENT. Write your prediction in the box below.

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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< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

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