Answer:
B
Explanation:
Flammability is a physical property of sodium
I think the answer is B, it keeps food from rotting as quickly and being wasted. Food-storage facilities. Food storage allows food to be eaten after some time after the harvest rather than solely immediately. This ensures that there is food even during the time when there is no harvests and also prevents wastage of food at the time of harvest
Answer:
B and D as well
Explanation:
All the electronic configuration of the elements of B end on s sub shell.
S energy level sub shell can hold 2 electrons and since Be, Mg, Ca Sr end in s.
We can say, they have same valence electrons, i.e 2 electrons.
Answer:
Endothermic reactions is the result of heat being absorbed.
Explanation:
Melting ice cubes. Melting solid salts. Evaporating liquid water. Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes.
(These are all examples of endothermic reactions.)
Answer:
electric energy ---> heat energy or A.
Explanation:
the name says it all