Physical Science Chapter 17 Review

The most useful property of metalloids is that they are 

The family of metals that is most reactive is:

Another word for the columns of the periodic table is family.

Who proposed the Law of Octaves?

Alkali metals are often found in their pure form in nature.

The family of non-metals that is most reactive is:

79% of air is made up of this element?

Rank the following from smallest to largest:

How many valence electrons does Helium have?

Newton, Boyle & Lavoisier transformed chemistry into a real science in the 17th&18th centuries.

Elements on the periodic table tend to get more metallic as you move from left to right.

Who is credited with the modern periodic law?

An element’s period tells you

What group of metals is least reactive?

Mendeleev’s periodic law said that the properties of the elements vary in a pattern with their

Several of the element symbols we use today are based on the elements’ Latin names.

Atoms of elements tend to get larger as you go left to right across the periodic table.

The elements that only occur as diatomic molecules are

How many energy levels are in a neutral lithium atom?

What makes nonmetals so different from metals is that they