Question

1. drag and drop the words with the descriptions. the smallest unit of an element that maintains all of the chemical properties of that element an element that gains or loses an electron an element that has a different number of neutrons than protons a substance made up of two or more different elements chemically bonded together the subatomic particle with the smallest mass choices: compound, electron, atom, isotope, ion

Explanation:

1. An atom is the smallest unit of an element that retains all of its chemical properties.
2. When an element gains or loses an electron, it becomes an ion.
3. An isotope is an element with a different number of neutrons than protons.
4. A compound is a substance made up of two or more different elements chemically bonded together.
5. The electron is the sub - atomic particle with the smallest mass.

Answer:

1. atom
2. ion
3. isotope
4. compound
5. electron