Hydrogen bonding, a particularly strong dipole-dipole force, causes a powerful attraction between water molecules, which results in a high boiling point.
For Number 2 It Is The Law Of Conversation Of Mass
Number 3 Atoms Of Each Element
Number 7 Oxygen
Number 5 Single Replacement Reaction
I answered a few of them
Answer:
2.5 g/cm3 .
Explanation:
Density is mass in grams over volume in cubic centimeters. So it is 25 g 10 cm 3 =2.5 g/cm 3 The unit is grams per cubic centimeter. NB - density can also be kilograms over cubic meters Hope this helps!
Valency is the number of electrons present in the outermost shell.
