atomic structure Flashcards
1
Q
how big are atoms
A
atoms are the smallest element
2
Q
what is an atom
A
the smallest part of an element that can extist
3
Q
what are the three subtomic particles in a atom
A
protons , nutrons, electrons
4
Q
molecule
A
a group of atom bonded together
5
Q
element
A
an essential or characterstic part of something
6
Q
compound
A
a thing that is in a composed of two or more sepate elements
7
Q
mixture
A
a substance made by mixing other subtance together
8
Q
proton
A
a stable submatic particle occuring in all atomic nuclues , with a positive electrons
9
Q
electron
A
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
