Particles in an atom (AQA GCSE Chemistry Combined Science): Flashcards
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Practise the cards
13 cards from this deck
Three subatomic particles in atoms
Three subatomic particles in atoms
Protons, neutrons, and electrons
Charge of protons
Charge of protons
Positive
Charge of neutrons
Charge of neutrons
No charge (neutral)
Charge of electrons
Charge of electrons
Negative
What atomic number tells you
What atomic number tells you
Number of protons in an atom
Number of electrons in a neutral atom
Number of electrons in a neutral atom
Equals the number of protons
Why atoms have no overall charge
Why atoms have no overall charge
Positive protons cancel out negative electrons
What mass number tells you
What mass number tells you
Total number of protons neutrons
Formula to calculate number of neutrons
Formula to calculate number of neutrons
Mass number Atomic number
How to find number of protons
How to find number of protons
Use the atomic number
How to find number of electrons in neutral atoms
How to find number of electrons in neutral atoms
Same as number of protons
Location of protons and neutrons in atom
Location of protons and neutrons in atom
In the centre (nucleus)
Location of electrons in atom
Location of electrons in atom
In shells around the outside