4. Atoms and Elements

How many protons are in a neutral atom of bismuth (Bi)?

In a simplified atomic model, what distinguishes one chemical element from another?

In the simplified model of the atom, which region is mostly empty space?

In the simplified atomic model, what is the smallest unit of an element that still retains that element’s chemical identity?

In the simplified model of the atom, what makes up most of the volume of an atom?

In atomic structure, what does the atomic number of an element represent?

How many protons are in a neutral atom of bismuth (Bi)?

In the simplified model of matter, can a particle be a single atom?

Which number uniquely identifies a chemical element in the periodic table?

Which element has 13 protons in its nucleus?

All atoms of a given element have the same what?

Which feature defines a neutral atom?

In the simplified model of the atom, where are electrons located?

In the simplified model of the atom, where are the electrons located?

How does a molecule differ from an atom?