Answer:
Bohr thought that electrons orbited the nucleus in quantised orbits. ... In Rutherford's model most of the atom's mass is concentrated into the centre (what we now call the nucleus) and electrons surround the positive mass in something like a cloud. Bohr's most significant contribution was the quantisation of the model.
Explanation:
Explanation:
moles = mass/mr
=60.3/28
=2.15 moles
number of particles = moles × 6.02×10^23
= 2.15×6.02×10^23
= 1.29×10^24 atoms
CO=12+16=28
Radiation: Heat from the stovetop.
Conduction: Heat from Stove to Pot.
Convection: Water boiling.
I will now take my points.
Answer:
calcium is a metal and metals are good conductors of electricity as they contain mobile electrons.
Explanation: