Which answer below correctly identifies the type of change and the explanation when magnesium comes into contact with hydrochloric acid

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.

Sorry i dont understand the question can you rephase it?

What are the options? physical property can be color, smell, opacity, viscosity, density, infra red spectrum, melting and boiling points, attraction and repulson to magnets, etc.

In any atom of any element, you will find protons and neutrons in the nucleus of any atom