Unit 1-1.1- Atoms, elements and compounds Flashcards
1
Q
What is the periodic table?
A
A list of all the elements.
2
Q
What are atoms represented by?
A
Chemical symbols.
3
Q
How are the elements arranged in the periodic table?
A
The elements in the periodic table are arranged in columns, called groups.
The elements in a group usually have similar properties.
4
Q
What happens when elements react?
A
Compounds are formed when two or more elements combine together.
