C1.3 Compounds Flashcards
What joins together to make a compound?
Atoms
What is a compound?
They are substances formed from 2 or more elements
What does making bonds involve?
Giving, taking or sharing electrons.
How do you separate compounds?
You have to do a chemical reaction
What is covalent bonding?
A covalent bond is formed between non metal atoms, which combine together by sharing electrons.
What is ionic bonding?
Ionic bonding occurs between positive and negative ions, which attract each other and bind together to form ionic compounds.
Formulas show what atoms are in a compound. So:
Carbon + Oxygen = Carbon Dioxide
C + O O = CO2
What is a NaCl compound and a HCI compound?
- Sodium Chloride
2. Hydrochloric Acid