Examlex
In a card game, a 2-card hand consisting of an ace and either a face card or a 10 is called a "win". If a standard 52-card deck is used, determine how many winning hands can be dealt.(A "face card" is a jack, queen, or king.)
Negative Charge
A characteristic of a particle or object indicating it has more electrons than protons.
Protons
Positive-charged particles present in the core of an atom, known as subatomic particles.
Electrons
Subatomic particles with negative charge, found in all atoms and acting as the primary carrier of electricity in solids.
Atomic Number
The quantity of protons present in an atom's nucleus, which dictates the element's chemical characteristics and position within the periodic table.
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