A 45.0 g piece of metal with specific heat 0.450 J/g∘C and at 115∘C is placed in 200 g of water at 25.0∘C. What will be the final temperature of the water? A) 2.10 °C
B) 29.8 °C
C) 88.4 °C
D) 27.1 °C

29.8°C

Explanation:

asking questions is super in this education life

Cesium.

Groups are the vertical columns that run up and down while periods are the horizontal rows. So to find the answer to this, go to the first column (Group 1) and find the sixth period (row 6) which will land you on Cesium, element 55.

Hope this helps!