Answer: A it goes hot to cold not cold to hot.
Explanation:
+2, +1 is the charge of copper
The periodic table arranges elements in increasing
atomic number from left to right and top to bottom.
Horizontal rows on the periodic table are periods.
Elements in the same period have the same number of
electron shells.
Vertical columns on the periodic table are groups.
Elements in the same group have the same number of
valence electrons.
Answer:
scientific investigation is the quest to find an answer to a question using scientific method.
Explanation: