Students are completing a table about a particular subatomic particle that helps make up an atom. The students have filled in on
e cell of the table so far. Based on the information shown, which statement about the subatomic particle must be correct? Its location is in the nucleus, because the particle is a proton or a neutron. Its location is in the nucleus, because the particle is a neutron or an electron. Its charge is +1, because the particle is a proton. Its charge is 0, because the particle is a neutron.
A pure substance has a constant composition and cannot be separated into simpler substances by physical means. There are two types of pure substances: elements and compounds.