Questions: The element bromine is in group and period The element hydrogen is in group and period The element cobalt is in group and period

The element bromine is in group and period The element hydrogen is in group and period The element cobalt is in group and period
Transcript text: The element bromine is in group $\square$ and period $\square$ The element hydrogen is in group $\square$ and period $\square$ The element cobalt is in group $\square$ and period $\square$
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Solution

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Solution Steps

Step 1: Determine the Group and Period of Bromine
  • Locate bromine on the periodic table.
  • Bromine is in group 17, which is the halogens group.
  • Bromine is in period 4.
Step 2: Determine the Group and Period of Hydrogen
  • Locate hydrogen on the periodic table.
  • Hydrogen is in group 1, which is the alkali metals group, although it is a non-metal.
  • Hydrogen is in period 1.
Step 3: Determine the Group and Period of Cobalt
  • Locate cobalt on the periodic table.
  • Cobalt is in group 9, which is part of the transition metals.
  • Cobalt is in period 4.

Final Answer

Bromine is in group \(17\) and period \(4\).
Hydrogen is in group \(1\) and period \(1\).
Cobalt is in group \(9\) and period \(4\).

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