Chapter 5 Periodic Table

What separates the metals, nonmetals, and metalloids on the periodic table?

True or False.  The second energy level can hold up to 9 electrons.

The periodic table organizes elements according to the elements _____________________.

Horizontal rows on the periodic table are called ________________.

Group 13 has________ electrons in their valence shell.

What is the maximum number of electrons that the first energy shell can hold?

Halogens are ______________________.

The most unreactive nonmetals are the _________________.

The Transition metals are which groups?

What is the most abundant element in the Universe?

Which of the following appear the most on the periodic table?

How many electrons do the transition metals have in their valence shell?

______________ metals are soft enough to be cut with a knife.

Why are noble gases unreactive?

Vertical columns on the periodic table are called __________________.

The atomic mass of any element is measured in?

All atoms of ___________________ are radioactive.

T or f.  Elements in family are similar because they have the same number of valence electrons.

What four things does each square on the periodic table include?

Which of the following are good conductors of thermal and electric energy?