3. Which substance will take more energy to heat from 20C to 100C?

a) 30 g of water
b) 300 g of water
and WHY?

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements