abbreviation
lowercase
The symbol of the element is used as an abbreviation for its name.
Tsp is Teaspoon shortened Tbsp is Table spoon shortened
"Year 'round" is the correct way to write it as it is a shortened form of "year-round".
The smallest particle of an element that has the properties of that element is called an atom.
An element's shortened version is its chemical symbol, which typically consists of one or two letters. For example, the chemical symbol for hydrogen is H and for oxygen is O.
You can write 3m3
145cm2
1 and 451 thousandths.
The shortened way to say 'they will' is they'll.
Because to write chemical equations you need a short way of referring to an element.
7ha 7000m2