atomic structure Flashcards
1
Q
atom
A
the smallest part of an element
2
Q
molecule
A
two or more elements bonded together (compound)
3
Q
element
A
a single type of atom
4
Q
compound
A
two or more elements chemically bonded to create a new substance
5
Q
mixture
A
two or more elements put together (not bonded)
6
Q
nucleus
A
the centre part of the element containing the neutrons and protons
7
Q
proton
A
positively charged subatomic particle
8
Q
neutron
A
neutrally charged subatomic particle
9
Q
electron
A
negatively charged subatomic part
10
Q
isotope
A
a different version of the atom with the same protons but a different number of neutrons
11
Q
atomic mass
A
number of protons and neutrons
12
Q
atomic number
A
number of protons in the nucleus
