The History and Arrangement of the Periodic Table

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Use the periodic table to select the element that best fits each of the following descriptions. Which elements likely conduct electricity well? Check all that apply.

A. chromium D. calcium E. osmium

One of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. Which property fits this description?

B. Atomic Mass

What is the correct chronological order of scientists contributing to the modern periodic table?

B. Lavoisier, Dobereiner, Newlands, Mendeleev, and Moseley

Use the periodic table to select the element that best fits each of the following descriptions. Which two elements most likely have the most similar properties?

C. nitrogen and phosphorus

Use the periodic table to select the element that best fits each of the following descriptions. Which element below has properties of both metals and nonmetals?

D. Boron

Use the periodic table to select the element that best fits each of the following descriptions. Which element below is least reactive?

Helium

Which element below must be stored in oil because of its reactivity?

Sodium

Use the periodic table to select the element that best fits each of the following descriptions. Which element below is the most reactive?

c. Chlorine

Use the periodic table to select the element that best fits each of the following descriptions.

Alkali metal: Lithium Halogen: Fluorine Noble Gas: Krypton A Group 5A element: Arsenic Metalloid (semimetal): Germanium Lanthanide: Promethium

Use the periodic table to select the element that best fits each of the following descriptions. Which solution below most likely shows a vivid color?

B. Nickel Chloride


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