Atomic Structure - Atoms Flashcards
1
Q
What are substances made of?
A
Atoms
2
Q
What is an atom?
A
Made up of a tiny nucleus and is surrounded by atoms
3
Q
How many types of atoms can an element contain?
A
Only one
4
Q
What is a compound?
A
Contains two or more types of atoms that are chemically bonded together
5
Q
Why do elements have symbols?
A
In different languages elements are pronounced differently so every country understands symbols
6
Q
What is the periodic table?
A
Lists all the elements in eight main groups with similar chemical properties
7
Q
How many sections of the periodic table are there?
A
Three - alkali metals, transition metals, non-metals
