Atoms and the Periodic Table

How many electrons does manganese (Mn) have?

Find the neutron.

Discovered the neutron, which was the final piece of the modern atomic model.

His atomic theory contained 4 observations/inferences regarding atoms.

In general, the _____________________ are very important for modern industry and technology.

Arranged the first periodic table by atomic mass.

Revised the atomic model to include specific orbits or “shells” for electrons.

Performed the “gold foil” experiment & discovered that atoms have a central nucleus.

Find the electron.

____________________ is the ability of a metal to be pulled into a long, thin wire

How many protons does silver (Ag) have?

According to the trend of the periodic table, which of these has the largest atomic size?

How many neutrons does zirconium (Zr) have?

____________________ is the gradual breaking down of metal.

The _______________________ are slightly reactive, but not very dangerous.

The atomic number of an element always tells you an atom's...

Find the proton.

What is the location of tin (Sn)?

____________________is the ability of a metal to be bent, folded, etc. to change its shape.

In general, the _______________________ have properties of both metals and nonmetals.

____________________ is the ability of a metal to transfer heat or electricity.

Discovered the electron and created the “berries in a muffin” model to describe the structure.