4.2.1 Chemical Bonds, Ionic, Covalent and Metallic Flashcards
4.2 Bonding, Structure, and the properties of matter (2 cards)
1
Q
What are the mass and charge of protons, neutrons and electrons?
A
Mass Charge
Proton 1 +1
Neutron 1 0
Electron 1/2000 -1
2
Q
How does metallic, ionic and covalent bonding work?
A
Metallic: layer of positive ions surrounded by a sea of delocalized electrons
Ionic: attraction between oppositely charged ions
Covalent: the sharing of a pair of electrons between two positive nuclei
