Isotopes and Atomic Structure | GCSE Physics Practice
Atoms of the same element always have the same number of protons but can have different numbers of neutrons.
Why do isotopes have the same chemical properties?
What is Isotopes and Atomic Structure | Practice?
"Atoms of the same element that have the same number of protons but different numbers of neutrons."
Which type of radiation is stopped by a single sheet of paper?
Niels Bohr changed the atomic model by suggesting that electrons ____.
Which type of radiation is an electromagnetic wave?
What is the definition of half-life?
Weighted Atoms
Atomic number = number of protons.
Mass number = protons + neutrons.
Isotopes are atoms with the same atomic number but different mass numbers.
All atoms of an element have the same chemical properties.
Mnemonic: "Iso-topes" have the same "top" number (atomic number/protons) but differ at the bottom (neutrons).
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