Atoms , Elememts And Compounds Flashcards
1
Q
What is an atom?
A
Smallest part of matter to exist
2
Q
What is a molecule?
A
Two of more atoms connected by chemical bonds
3
Q
What is a compound?
A
A substance made up of two or more different elements chemically combined
4
Q
What is a mixture ?
A
A compound made up of two or more substances not chemically bonded
5
Q
Explain why H2 is an element and a molecule but not a compound
A
It contains two atoms chemically bonded together however both atoms are the same type and for a compound they must be different types of atoms .
6
Q
What is an element
A
Made up of only one type of atom
