Elements, Atoms, Compounds, and Molecules Flashcards
1
Q
What is an element?
A
Pure chemical substance consisting of one type of atom. Ex: iron, copper, gold
2
Q
What is an atom?
A
The smallest particle of an element that retains the characteristic properties of that element. Ex: hydrogen gas consists of two hydrogen atoms
3
Q
What is a compound?
A
A pure chemical substance consisting of two or more different chemical elements.
4
Q
Molecular compounds are held together by…
A
covalent bonds
5
Q
Salts are held together by…
A
ionic bonds
6
Q
What is a molecule?
A
A molecule is a neutral particle, composed of a set number of atoms bonded together
