Sn is Tin which has 50 atomic number
it means it has 50 electrons in its outer shells
+2 shows its valency
plus sign comes when electrons are removed from an atom
so here 2 electrons are removed from Sn atom
remaining electrons are 50-2
48 electrons
Answer:
work done is the product of force and distance moved in the direction of a force
They study weather and climate.
Black and Whites were hungry and thirsty
Answer:
V = sqrt(2M1gh/M2)
Explanation:
Please see the attachment below.