Question

1. an element is a substance made of into another substance. it cannot be broken down 2. a is a substance made of or more different types of atoms that are chemically bonded together. it can be broken down and separated by chemical means. co, carbon dioxide compound hydrochloric acid - hcl nitrogen tribromide - nbr₃ silver element nitrogen - n chlorine - cl₂ bromine - br₂

Explanation:

1. An element is a pure substance. It cannot be broken down into simpler substances by chemical means.
2. A compound is made of two or more different types of atoms chemically bonded, and can be broken down chemically.

Answer:

1. An element is a substance made of only one - type of atom. It cannot be broken down into another substance.
2. A substance made of two or more different types of atoms that are chemically bonded together. It can be broken down and separated by chemical means is a compound.