Answer:
1) Element is a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei.
2) a) Element is a pure substance
b) It is homogeneous
3) Bromine
4) Elements and compounds are pure chemical substances found in nature. The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions. Examples of elements include iron, copper, hydrogen and oxygen.
5) The law of definite proportions
Step-by-step explanation:
This is all i know, bro