Matter and the Periodic Table

Elements that have some characteristics of metals and some characteristic of non-metals are called:

• noble gases

• elements

• metalloids

• transition metals

What are the horizontal rows on the periodic table called?

• Groups

• Families

• Periods

• Sections

The atomic number of an atom is determined by the number of

• protons

• electrons

• neutrons

• valence electrons

Elements with chemical properties (characteristics) similar to Neon (Ne) are found only in

• period 1

• group 1

• period 2

• group 18

The modern periodic table is organized according to

• chemical symbols

• atomic number

• atomic weight

• the alphabet

Which of the following elements is the most reactive?

• Sodium (Na)

• Fluorine (F)

• Iron (Fe)

• Argon (Ar)

Which of the following elements has the greatest number of energy levels?

• H

• Na

• Rb

• Fr

An element in group 2 of the Periodic Table would be classified as a

• metal

• nonmetal

• metalloid

• noble gas

Which element listed below has 5 valence electrons?

• Rubidium (Rb)

• Vandium (V)

• Nitrogen (N)

• Neon (Ne)

Metals that can be hammered into thin sheets are said to possess the property of

• ductility

• malleability

• conductivity

• luster