M(NaCl)=50.0 g
m(H₂O)=150.0 g
m(solution)=m(NaCl)+m(H₂O)
w(NaCl)=100m(NaCl)/m(solution)=100m(NaCl)/{m(NaCl)+m(H₂O)}
w(NaCl)=100*50.0/(50.0+150.0)=25%
Answer : Option A) a tiny fragment or piece of matter particle.
Explanation : Atom are the tiny particles of a matter including particles; <span>The definition of an atom can be stated as the smallest component of any element, which can be characterized by sharing of the chemical properties of the element and a nucleus with neutrons, protons and electrons. </span>
Henri Becquerel discovered radioactivity and it was the Curies who made experiments about the concept and became known for their d
Answer:
the covalent molecule has OA.A
