A substance that dissolves in water to give a solution with a pH of less than 7
What is an acid?
A bond formed by stealing of electrons
What is an ionic bond?
A substance that increases the concentration of hydroxide ions in water and is between pH 8-14
What is a base or alkaline?
a bond formed when electrons are shared
What is a covalent bond?
I have 18 protons, 20 neutrons, and 18 electrons.
Argon (Ar)
What is the rule of electrons that would make all elements happy? (8)
Octet rule
When an acid and a base react together to give a solution with a pH of 7, what is the reaction called?
What is neutralisation?
Name the period and group of Magnesium
period 3, group 2
What group would group 7 elements most likely want to bond with to become happy?
Group 1 or alkali metals
What is the pH of lemons
what is 2 or 3
How many valence electrons does oxygen has
6
When combustion reactions are ignited what are the products?
CO2 and H20