Elements in the same group will share the same ........................... (Atomic number - shell number - chemical properties)

Elements that share properties of both metals and nonmetals are called ..................

The scientist .............................. developed the Periodic Table of the Elements. (Dmitri Mendeleev - Robert Boyle)

The horizontal rows on the periodic table are called groups and the vertical rows are called periods. (T- F)

A row on the Periodic Table of Elements is called a(n) .............................

The periodic table of elements is a chart that lists all of the known elements in order of their atomic number. (T-F)

The atomic number of the element mercury, a liquid metal, is 80 and its atomic weight is 200.90 amu. How many protons does one atom of mercury contain?

From the periodic table displayed, how many protons does an atom of Ag have?

Which is an element? (H2O - NaCl - KCl -Na)

Which one of these elements is NOT part of the noble gases family? ( Helium - Oxygen - Argon - Neon)

......................... is reddish brown in color and reacts with substances in the air. (Silver - Copper - Gold)

The atomic number tells how many ..................... and ........................ an element has. (neutrons - protons - ions - electrons)