Periodic Table Genius

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What did Dmitri Mendeleev devise back in the mid nineteenth century?

The periodic table

What does the atomic number of an element represent?

Number of protons in the atom

What determines how an element reacts?

Number of electrons in the outermost shell

What do elements in the same group of the periodic table have in common?

Number of electrons in the outermost shell Signup and view all the answers

What is the general trend of reactivity for Group 1 elements?

Increases as you go down the group Signup and view all the answers

Which group of elements are known as the noble gases?

Group 0 Signup and view all the answers

What separates the metals from the nonmetals on the periodic table?

A zigzag line Signup and view all the answers

What are the elements in the middle of the periodic table known as?

Transition metals Signup and view all the answers

What does the group number of an element tell you?

How many electrons in the outer shell Signup and view all the answers

What is the far-right group on the periodic table called?

Group 0 Signup and view all the answers

What does the mass number of an element tell you?

Total number of protons and neutrons in the atom Signup and view all the answers

What do the elements in each vertical column of the periodic table have in common?

Similar chemical properties Signup and view all the answers

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Periodic Table Genius

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