Chapter 5- Formulae Flashcards
What do you do when naming a compound of a metal and non- metal?
The metal keeps its name and the non-metal changes the last part of it name to ‘ide’
Name the following non-metals when they are in a compound:
Fluorine, chlorine, bromine, iodine, oxygen, sulfur, hydrogen, nitrogen
Fluoride, chloride, bromide, iodide, oxide, sulphide, hydride, nitride
What is the ending of a compound of two non-metals, one of them being oxygen?
-ate
What is carbonate made up of?
Carbon and oxygen
What is sulfate made up of?
Sulphur and oxygen
What is nitrate made up of?
Nitrogen and oxygen
Hydroxide is an exception to the rule of ‘a compound with 2 non metals, one being oxygen ends in -ate’. What is hydroxide made of?
Oxygen and hydrogen
What is the formula for carbonate?
CO3
What is the formula for sulfate?
SO4
What is the formula for nitrate?
NO3
What does diatomic mean?
It is when an element goes around in pairs- but only as an element, not as a compound
What are the diatomic elements?
H2 O2 N2 F2 Cl2 Br2 I2
What is the formula and valency of copper
Cu and 2
What is the formula and valency of Zinc?
Zn and 2
What is the formula and valency of Iron (II)?
Fe and 2
What is the formula and valency of Iron (III)?
Fe and 3
What is the formula and valency of silver?
Ag and 1
What is the formula and valency of hydroxide?
OH and 1
What is the formula and valency of nitrate?
NO3 and 1
What is the formula and valency of carbonate?
CO3 and 2
What is the formula and valency of sulphate?
SO4 and 2
What is the formula and valency of ammonium?
NH4 and 1
What is the formula of water?
H20
What is the formula of carbon dioxide?
CO2
What is the formula of Carbon Monoxide?
CO
What is the formula of Ammonia?
NH3
What is the formula of hydrochloric acid?
HCl
What is the formula of Sulphuric acid?
H2SO4
What is the formula of Nitric acid?
HNO3
What is the difference between an oxide, dioxide and trioxide?
Oxide has 1 oxygen, dioxide has 2 oxygens, trioxide has 3 oxygens
What are the valencies of the transition metals when there is no number written next to the formula?
2
What does an acid + a metal make?
Metal salt+ hydrogen