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How do atoms of different elements compare?

Elements are made of atoms, which are the smallest form of matter that still retains the properties of the matter. Atoms consist of protons, neutrons and electrons. Protons and neutrons exist within the nucleus of the atom, while the electrons are found outside the nucleus. 


Each element has a different number of protons, neutrons and electrons and thus their atoms are different. The number of protons and neutrons of an element can be found by...

Elements are made of atoms, which are the smallest form of matter that still retains the properties of the matter. Atoms consist of protons, neutrons and electrons. Protons and neutrons exist within the nucleus of the atom, while the electrons are found outside the nucleus. 


Each element has a different number of protons, neutrons and electrons and thus their atoms are different. The number of protons and neutrons of an element can be found by using its atomic number and mass number. 


Knowing this much about an atom, we can compare atoms of different elements. The differences in terms of electrons will determine the differences in the properties of different elements. For example, atoms of a noble gas will be inert, while those of an alkali metal will be very reactive.


Hope this helps. 

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