Over a million students use our free study notes to help them with their homework
Rather than the furry creature, in chemistry a mole is a unit used to measure substances. Its equivalent to 6x1023 atoms, the number of carbon atoms in 12g of carbon.
To find a...
Firstly, we should define the first ionisation energyThe first Ionisation Energy is the energy required to remove one mole of electrons from one mole of gaseous atoms to form a mole of ga...
Metals can be described as a lattice of close-packed positive ions in a sea of delocalised electrons. Because the electrons are delocalised, they can move freely through the metal.
Dehydration is a process in which an alcohol loses a molecule of water and leaves behind an alkene. The OH group is removed along with an H from any adjacent carbon atom. To work out the answer, firstl...
Le Chatelier's principle states that a reaction at equilibrium will shift it's position of equilibrium in order to oppose any changes to it's environm...
←
420
421
422
423
424
→
Internet Safety
Payment Security
Cyber
Essentials