level: Chemical Formulas
Questions and Answers List
level questions: Chemical Formulas
| Question | Answer |
|---|---|
| Charge of Carbonate? | -Negative 2. [CO3] |
| Charge of Sulphate? | -Negative 2 [SO4] |
| Charge of Oxide? | -Negative 2 [O] |
| Charge of Sulphide? | -Negative 2 [S] |
| Charge of Hydroxide? | -Negative 1 [OH] |
| Charge of Nitrate? | -Negative 1 [NO3] |
| Charge of Fluoride? | -Negative 1 [F] |
| What are Ionic Compounds made of? What is their Overall Charge? | -They are mad up of a Positive and Negative Charged Part -The Overall Charge is 0, so the Positive Charge is Cancelled out by the Negative Charge. The Opposite is True |
| What are the 3 Different Prefixes? What does this Mean? | -Mono= One atom in an Molecule [Carbon monoxide = 1 Atom of Oxygen] -Di= Two Atoms in an Molecule [Carbon Dioxide = 2 Atoms of Oxygen ] -Tri = Three Atoms in an Molecule [Nitrate = 3 Atoms of Oxygen] [This one is harder to see, but it has the 'Tri' sound wedged in] |
| Chemical formula of Ammonia? | NH3 |