Chemical bonding Flashcards
charge of proton
+ 1
charge of neutron
0
charge of electron
-1
mass of proton
1
mass on neutron
1
mass of electron
1/1840
what is an isotope?
atoms of the same element with a different mass number (different number of neutrons)
where are higher energy levels located?
further from the nucleus
what is an ion?
a charged particle
what 2 things make up an ionic bond?
a metal and non-metal
what is a cation?
+ve ion
what is an anion
-ve ion
what holds ionic bonds together?
strong electrostatic forces of attraction
describe the structure of a compound (ionic)
giant regular lattice with each ion surrounded by oppositely charged ions
what is the appearance of group 1/2 compounds?
white powder
are ionic compounds conductive as a solid?
no
are ionic compounds conductive dissolved in water? what’s the exception?
yes - except MgO