Atoms Elememts Compounds Periodictable Flashcards
1
Q
An atom
A
Is the smallest part of an element that still has properties of an element
2
Q
An element
A
Is a substance that cannot be broken down into a simpler substance by chemicals
3
Q
A molecule
A
Is a compound made of two or more atoms chemically combined
4
Q
A compound
A
Is a completely new substance with its own properties when two or more are chemically combined
5
Q
Isotope
A
Atoms of the same element which have a different number of nuetrons. Eg carbon 12 and carbon-14