MATS Jonas1mposter

What is an atom?

• the basic building block of all matter and chemistry.

• any of a class of natural or synthetic substances composed of very large molecules.

• a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.

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Which element is INCORRECTLY matched with its symbol?

• Cu / copper

• Pb / lead

• K / potassium

• B / bismuth

What are the three main groups of the periodic table?

• groups

• metal

• nonmetals

• metalloids

• periods

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

choose the correct statement

• the vertical column in the periodic table is called period

• the vertical column in the periodic table is called group

• the horizontal row in the periodic table is not called period

• none of the above

• Periods
• Groups

What is the symbol for Potassium?

• P
• K
• Pb
• Pd

In periodic table, elements show repeating patterns of similar properties –this is because of repeating ___

• proton number
• atomic mass
• electron number
• valence electron number
• electron energy level