That element is manganese. As they are in same horizontal row (period) and are next to each other. That is why they show same properties.
Hope this helps xox :)
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Answer:
100 J of energy are needed to heat the copper from 20∘C to 80∘C .
Hopefully this will help you my friend.
Data can arranged into visual displays called graphs. There are multiple types of graphs such as bar graphs, line graphs, scatter plots, and pie charts.
hopefully this helps :)
