Atomic Structure 1 Flashcards
(6 cards)
1
Q
What is an element made of ?
A
One type of atom
2
Q
What is a compound made of ?
A
Two or more different elements chemically bonded together.
Made of molecules or ions
3
Q
What does the nucleus contain ?
A
Protons and neutrons
4
Q
What is the mass number ?
A
The number of protons and neutrons
5
Q
What are isotopes?
A
Elements with the same number of protons but different number of neutrons
6
Q
What is avogadros constant ?
A
6.022x10^23
