Compounds Flashcards
1
Q
What are compounds
A
Substances formed from two or more elements, the atoms of each are in fixed proportions
2
Q
What are compounds held together by
A
Chemical bonds
3
Q
How do you separate the compound
A
Chemical reaction
4
Q
What does a compound consist of which is formed from a metal and non-metal
A
Consists of ions
5
Q
What does the metal atom form when it loses electrons
A
Positive ions
6
Q
What does the non-metal form when it gains electrons
A
Negative ions
7
Q
What is ionic bonding
A
When opposite charges of the ions are strongly attracted to eachother
8
Q
What is covalent bonding
A
A compound formed from non-metals consists of molecules. Each atom shares an electron with another atom
Eg: carbon monoxide
9
Q
What does a compound formed from non metals consist of
A
Molecules
