Periodic Table Basics

Front

The element germanium (Ge) is classified as a

Back

metalloid

Answer explanation

Germanium is one of six elements that New York State considers to be a metalloid. It is lustrous, gray, and hard. However, it is brittle and only conducts electricity under certain conditions.

Front

Element in Group 13, Period 3

Back

Aluminum, Al

Front

The element K, potassium, is classified as a: metal, nonmetal, metalloid

Back

metal

Front

A Group of Elements have similar chemical properties because they have the same number of: energy levels, protons, valence electrons, neutrons.

Back

valence electrons

Front

This is the most reactive Group of metals

Back

Alkali Metals

Front

This is the most reactive Group of nonmetals

Back

Halogens

Front

Which of the following pairs of elements would likely have similar chemical properties? nitrogen and fluorine, fluorine and bromine, calcium and carbon, hydrogen and sulfur

Back

fluorine and bromine

Answer explanation

Of all the pairs, only the pair of fluorine and bromine are elements from the same Group.

Elements of the same Group possess the same number of valence electrons... which leads to similar reactivity as they seek their stable octet

Front

Select an element that is a poor conductor of heat and electricity. Options: Br, Cd, Na, Ti

Back

Br

Front

Identify the location of an element that is a pale yellow brittle solid that does not conduct electricity in the periodic table.

Back

Location 3

Answer explanation

"Nonmetals on the right"

Front

What Period and Group is this element located in?

Back

Period 2, Group 16