4. Predict Use the patterns you identified to estimate the likely melting point for potassium (K) in Group and barium (Ba) in Group 2. Enter your estimate in the figure . Explain your reasoning .

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

What the blanks in these lines are ?

Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays