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Principles of chemistry 1c
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Total cards: 8•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (8)
#1
Front (Question)
Atom
Back (Answer)
A particle that can’t be broken down into smaller particles
#2
Front (Question)
Molecule
Back (Answer)
Two or more atoms chemically joined together ( can be identical atoms or different ones)
#3
Front (Question)
Protons
Back (Answer)
Protons are found in the nucleus of an atom. They have a positive charge (+1) and have the same mass as a neutron. It has a mass of 1
#4
Front (Question)
Neutrons
Back (Answer)
It is in the nucleus, has a neutral charge (0). A mass of 1
#5
Front (Question)
Electrons
Back (Answer)
In shells around the nucleus. A negative charge ( -1) and a mass of 1/1836. Are in constant motions within their orbit
#6
Front (Question)
Atomic number
Back (Answer)
Number of protons
#7
Front (Question)
Mass number
Back (Answer)
Number of protons + number of neutrons
#8
Front (Question)
Isotope
Back (Answer)
Atoms of the same number of protons but different numbers of neutrons