Exercise 6.3 Reactions of metals with dilute acids
The exercise will give you practice in planning a fair investigation.
investigation into the reactivity of different
Michelle and Justin are carrying out an
metals with dilute acids. They place a small piece of each metal into a test tube of
acid and observe the reaction.
1 How can they tell that a reaction has taken place?
2 How can they tell which metal is more reactive?​

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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може ли да зареждате повече информация, моля

here are some of the ways in which chemical and nuclear reactions differ.

explanation: