Top answers

How do you know if a molecule has ionic or covalent bonding?

Covalent bonding is between non-metal atoms and involved the sharing of electron pairs, whereas ionic bonding is between a metal and a non-metal and involves the transfer of an electron from the metal to the...
JB
Answered by Jemima B. • Chemistry tutor
2582 Views

Why does iodine havea higher boiling point compared to chlorine?

The forces between the iodine molecules are stronger compared to the ones between chlorine
CS
Answered by Chloe S. • Chemistry tutor
2529 Views

Why do different metals burn with different colors?

This is because when the metals are heated (burned), their electrons can briefly 'jump' from lower energy electron shells to higher energy electron shells. This requires energy to happen, and light is not re...
FL
Answered by Frank L. • Chemistry tutor
9891 Views

What mass of MgCl2 is formed in the following equation if 48g of Mg react in the following equation: Mg + 2HCI -> MgCI 2 + H

First you must calculate the moles of Mg that originally reacted. moles = mass/Mr moles=48/24 moles= 2 Molar ratio of Mg to MgCl2 is 1:1 Therefore 2 moles of MgCl2 were produced moles= mass/Mr mass= moles x ...
SG
Answered by Sofia G. • Chemistry tutor
4836 Views

What is the mass percentage of carbon in a CO2 molecule?

First we need to calculate the total mass of a CO 2 molecule. This is done by summing up the individual masses of all the atoms. To find these, we look at the periodic table and see that the masses are C: 12...
AD
Answered by Ana D. • Chemistry tutor
5891 Views