4. Atoms and Elements

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?

Glucose, a form of sugar, has the formula C₆H₁₂O₆. Which elements are included in this compound, and how many atoms of each are present?

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

Which element has 13 protons in its nucleus?

Identify each of the following:c. ¹₀X

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?

On a dry day, your hair flies apart when you brush it. How would you explain this?

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?