fundamental properties of atom
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An atom is the smallest building block of everything that exists. Atoms all have about the same size, but they have different weights. Plutonium is one of the heaviest atoms , about 200 times heavier than hydrogen , which is the lightest element.
❤️ An atom consists of three parts : protons, neutrons, electrons.
❤️ The atomic number tells you how many protons an atom has. For example, every hydrogen atom has the atomic number 1 because it only has 1 proton.
❤️ The atomic mass is the number of portions and neutrons in an atom. Although all atoms of the same element have the same number of protons, they sometimes have more neutrons. Such atoms are called isotopes.
❤️ An atom consists of three parts : protons, neutrons, electrons.
❤️ The atomic number tells you how many protons an atom has. For example, every hydrogen atom has the atomic number 1 because it only has 1 proton.
❤️ The atomic mass is the number of portions and neutrons in an atom. Although all atoms of the same element have the same number of protons, they sometimes have more neutrons. Such atoms are called isotopes.
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