8th Grade Science The Periodic Table

Mendeleev arranged the elements by

The elements to the right of the zigzag line on the periodic table are called

Elements on the periodic table are arranged in order of

The properties of elements in a horizontal row of the periodic table follow

Which of the following are all nonmetals

How do the physical and chemical properties of the elements change?

Which of the following elements has 19 as its number of protons?

Mendeleev found that the properties of known elements followed a pattern that repeated every

Most of the elements in the periodic table are

Diamond and soot are very different, yet both are natural forms of

Which one of the following tells the physical state of an element at room temperature?

Most metals are

Which of the following helps light bulbs last longer?

The number at the top is the

The carbon group has two metalloids, both of which are used to make

Elements in each vertical column of periodic table usually have similar prop. & are called a(n)

What element makes up about 20% of the air we breathe?

Which of the following statements describes most metals?

Elements of Group 3 through 12 are all called

A horizontal row on the periodic table is called a(n)

What is necessary for substances to burn?

Elements lying along the zigzag line on the periodic table is called

Which of the following elements is metalloid?

What are most of the elements in the periodic table?

Periodic Law states that

How many of the recently discovered elements follow the periodic law?

Periodic describes

When a halogen reacts with a metal, what is formed?

The letter C is carbon's

Transition metals are

Which of the following is property of alkali metals

How did the Mendeleev group the elements?