Basic chemical concepts Flashcards
1
Q
ion
A
anything with a charge because it has an unequal number of protons (positive) and electrons (negative)
2
Q
proton
A
positively-charged particle in the nucleus of an atom
3
Q
electron
A
negatively-charged particle that orbits the nucleus in shells
4
Q
shell
A
orbit of an electron that is a fixed distance from the nucleus
5
Q
properties of an atom
A
which bonds it makes with other atoms
6
Q
determines the properties of atoms
A
the way the electrons are arranged
7
Q
rust
A
a reddish substance that forms on iron or some other metal usually when it comes in contact with moisture or air
8
Q
brittle
A
easily broken or cracked
9
Q
molecule
A
group of atoms bonded together
