- Chemistry is the science that deals with materials in laboratories. _T_
- There is only one type of chemistry. _F_
- Organic chemistry looks at which chemicals are in things. _T_
- Organic chemistry looks at things that have carbon in them._T_
- Polymer chemistry is a small area of chemistry._T_
- the elements dont have oxidation number
- All substances are gaseous
- water is a simple substance
- sodium bicarbonate is an acidic substance
Ex 1
ResponderBorrar1-Incorrect.
2-Ok.
3-Ok.
4-Ok.
5-Ok.
Ex 2
1-The elements have oxidation number (dont se escribe de ésta manera Don't) .
2-Also exist substances liquids and solids.
3-Water is composed by substance.
4-Sodium bicarbonate is a basic substance.
Ex 1
ResponderBorrar1-Incorrect.
2-Ok.
3-Ok.
4-Ok.
5-Ok.
Ex 2
1-The elements have oxidation number (dont se escribe de ésta manera Don't) .
2-Also exist substances liquids and solids.
3-Water is composed by substance.
4-Sodium bicarbonate is a basic substance.