4. Atoms and Elements

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?

Which of the following best describes an atom?

Which statement best describes a neutral atom?

Which number determines how the modern periodic table is arranged?

Which element has 25 protons in its nucleus?

Where within an atom are the three types of subatomic particles located?

Write the formula for ibuprofen: 13 carbons, 18 hydrogens, and 2 oxygens. What are the common uses of ibuprofen?