Potassium or sodium because they are most reactive
Explanation:
a=5
b=9
c=3
d=4
that's the correct brainliest answer
3+2=5
+ + +
1 +3 =4
= = =
4+5=9
Answer:
Einstein proposed that electromagnetic radiation has a wave-particle nature, that the energy of a quantum, or photon, depends on the frequency of the radiation, and that the energy of the photon is given by the formula Ephoton=hv.
Answer:
Nutrients arw compounds in foods essential to life and heath
