The elements from group 3 to group 12 in the periodic table are often called the

Question

The elements from group 3 to group 12 in the periodic table are often called the transition metals. These elements exhibit the characteristic properties of metals and are often found in more than one oxidation state. In the group 3 to group 12 elements, which subshell is filled up going across the rows? A sample of soil from a newly discovered cave is analyzed by a team of explorers. They find an element that is a good conductor of electricity. It also forms a chloride in the form XCI_2 and an oxide in the form XO. The element is a liquid at room temperature. What is the identity of this element?

Explanation / Answer

1)in the group 3 to group 12 elements, the d subshell is filled up while going across the rows.

2) Since the sample is taken from soil and it conducts electricity. If froms Cl2. and Form an oxide. it must be Hg.

Since Hg is liquid at room temperature.

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