WHMIS Flashcards
What metals are soft and slivery
Alkali metals.
What does WHMIS stand for?
Workplace Hazardous Materials Information System
Metals that are silvery white metals, fairly reactive and many found in rocks
alkaline earth metals.
Good conductors of electricity
Malleable & Ductile
Usually brightly colored (used in paints)
Transition Metals
Most are poisonous and very reactive
Halogens
Gases at room temperature, stable, and unreactive
Noble gases
What is an element?
Substance composed of a single type of atom?
What happens when elements come together?
They become molecules.
Molecular elements are usually called ?
polyatomic elements
The periodic table organizes the elements based of their?
chemical properties.
who created the periodic table?
created in 1869 by Dmitri Mendeleev