Asubstance has an atomic number of 80. how many protons and electrons do atoms of the substance have? what is the substance?

Hello! The answer to your question would be as followed:

The substance is defined as Mercury and has 80 protons and 80 electrons

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

1. a tropical dry forest carries out more rapid nutrient cycling