4. Atoms and Elements

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?

In the simplified atomic model, where are electrons located in an atom?

In atomic structure, what determines the identity of an element?

In the simplified model of the atom, what determines the identity of an atom (i.e., what element it is)?

In a simplified model of the atom, what is the center of an atom called?

In the simplified atomic model, what property gives an element its identity?