Periodic table test Unit E

The periodic table, arranges elements according to their properties. Elements at the left are metals and have the properties you’d expect a metal to have. Based on its location in the periodic table, what statement best describes the element Ca?

• It breaks easily like glass.

• It is shiny and can be bent and shaped.

• It is doesn’t conduct electricity

• It is definitely not a metal.

The element calcium (Ca) is located in the second group on the periodic table. Elements in the same group as calcium have chemical properties similar to those of calcium. What else do these elements have in common?

• atomic number

• number of neutrons

• average atomic mass

• number of valence electrons

What is the name of the illustration that shows all the known elements?

• element table

• periodic table

• star chart

• solar system model

Copper, gold, and iron all have some of the same characteristic properties. They are all shiny, and they conduct electricity. They can be hammered into a shape and drawn into a wire. What classification of elements includes copper, gold, and iron?

• gas

• metal

• nonmetal

• metalloid

A portion of the periodic table is shown.

What is true of elements within a period?

• Their atomic numbers increase by 1 from left to right.

• Their atomic numbers increase by 1 from top to bottom.

• Their average atomic masses increase by 1 from left to right.

• Their average atomic masses increase by 1 from top to bottom

Find chlorine and bromine in the above section of the periodic table.

What is true about these two elements?

• They are both metalloids.

• They are in the same period.

• They have the same average atomic mass.

• They are in the same group.

The periodic table of the elements is divided by a zigzag line, as shown. The elements on one side of the line have properties distinct from those on the other side of the line.

Which of the following is TRUE for most of the elements that lie along the zigzag line?

• They are metalloids.

• They are nonmetals

• They are transition metals.

• They are metals.

The periodic table has rows and columns that organize the elements by similarities. What is the name for a row in the periodic table?

• family

• group

• period

• section

The periodic table has a lot of information in the form of letters and numbers. The information is organized into boxes, which are placed in rows and stacked in columns. Which of the following does each box represent?

• a compound

• an element

• a group

• a period

Webb is testing samples of different elements. One sample is a dull, yellow solid that breaks into powdery pieces when he hits it with a hammer. How should Webb classify the yellow solid?

• as a nonmetal

• as a metal

• as a metalloid

• as a gas