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Chemistry

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Geoffrey Huels

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Cards in this guide (6)
Is water a homogeneous substance or a heterogeneous substance

Homogeneous substance

What is the most active group of nonmetals

The most active group of nonmetals are those in Group 17, and these are the halogens. The list is headed by fluorine, which is the most reactive element of the group and of the periodic table as a whole.

Which of these compounds would have a VSEPR formula of AXËÄ a.PF3 B.CCl4 C. BF3 D. FCl3

bf3

Click on the correct electron configuration for aluminum

1s2-2s2-2p6-3s2-3p1

When the elements are arranged by increasing atomic number there will be a periodic repetition of their propertiesWhich theory is identified by this statement

modern periodic law

What are the least active elements in the periodic table

Noble gases are the least active elements in the periodic table.

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