Structure of the Atom (Junior Cert Science): Flashcards

Smallest particle of an element with all its properties

Protons, neutrons, electrons

Positive charge, in nucleus

No charge (neutral), in nucleus

Negative charge, in electron cloud

$1$ unit, $1$ unit, $\frac{1}{1840}$ unit

Number of protons in the nucleus

Number of protons + number of neutrons

Mass number - atomic number

Top left of element symbol