Question
Look at the periodic table . The metals shown in red are all __ what? unreactive reactive radioactive
Answer
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(183 Votes)
Eunice
Master · Tutor for 5 years
Answer
Based on recognized trends in the periodic table, the metals depicted in red are most probably **reactive** elements based on comparative chemical properties. This conclusion is also relevant to the majority of metals in the periodic table groups. In the future, using specific elements as examples will aid clarify your questions more effectively.
Explanation
## Step 1:We need to ascertain the property shared by the metals highlighted in red on the periodic table. Without a visible element list or periodic table, we can still acknowledge a common property of certain metals based on periodic table groupings. ## Step 2:Seeing that the options are either unreactive, reactive, or radioactive, we reason from elemental trends. Metals tend to be highly reactive due to their willingness to lose their outermost electrons. For example, alkali metals (group 1 elements) and alkaline earth metals (group 2 elements) on the periodic table are most pronouncedly reactive.## Step 3:Although certain elements or isotopes can be radioactive due to instability of the nucleus this property is not exclusive to metals on the periodic table. ## Step 4:The unreactive property does not quite apply to metals but largely with noble gases (group 18 elements) with completely filled outermost electron shells.