Answer:
A) wrong. The molar is same so A is hevier
B)
Explanation:
Xg/mol × (same molar)= g
→ bigger molar bigger mass
Answer:
Al3+<Mg2+<Na+
Explanation:
this is because of nuclear charge (no. of protons)
atomic radius is inversely proportional to nuclear charge.
Answer:
γ > β > α
Explanation:
The penetrating power is inversely related to the mass. The higher the mass, the lower the penetrating power.
α rays are Helium nucleus (He²⁺), that is, they are formed by 2 protons and 2 neutrons. The mass of an α particle is 4.001 amu.
β rays are nuclear electrons, which result from the decay of a neutron. The mass of a β particle is 1/1840 amu.
γ rays contain no particles and have no mass.
The order of penetrating power is γ > β > α.
Answer:
H2SO4 + Ca(OH)2 --> CaSO4 + 2H2O