Chapter 4 - Atoms and the Periodic Table

In the periodic table, the most reactive metals are found

A material is said to be ductile if it

Which group on the periodic table consists solely of metals?

Which group contains the most elements?

In an atom, the number of protons equals the number of

Which element on the is difficult to place in a group because of its' different properties?

Which 2 groups on the periodic table consists of metal, nonmetal and semimetals?

The _________________ is the very small center core of an atom.

Which group on the periodic table consists of only gases?

What info on the periodic table tells the number of protons?

Which group of elements shares characteristics with both metals and nonmetals?

To make most synthetic elements, scientists use powerful machines called

Nonmetals are _____________ conductors of heat and electricity.

The two most common alkaline earth metals are

The column of elements in the periodic table is called a _____________________.

The elements in the very bottom row of the periodic table are called