Meet Ben, a teacher with a passion for life. When he's not cheering on Bristol City FC, you'll find him in the classroom inspiring and helping kids learn Maths and Science.
Water and sodium hydroxide are both compounds. If you look at the Periodic table, you will see that sodium has a mass number of 23, oxygen has a mass number of 16 and hydrogen has a mass number of 1.
A reaction may happen when two or more chemicals are mixed. Sometimes you have to add heat (energy) before the reaction will occur. Not all chemicals react together when they are mixed.
There has been an absolute boatload of changes to the mathematics curriculum over the last few years. Ignore what your parents tell you, exams are not getting easier. In fact, they’re getting significantly harder.
Before a started to write this article, I diligently wrote notes and formulated a plan. I have a vast experience of supporting students with difficulties; instructing both teaching and non-teaching staff to assist students and on a more personal note supporting a close family member.
You probably know by now (through your studies of chemistry) that electrons are the “magic” behind chemical reactions. They do all the hard work – moving here, moving there, joining this atom, leaving that atom, forming bonds, etc.
If you’re taking a chemistry class or even a general science class, chances are pretty good that you have a copy of the Periodic Table of Elements.
