chemical bonds Flashcards
what are the 3 chemical bonds
ionic, covelant, metallic
ionic bonding involves an attraction between what
oppositely charged ions
what compounds are ionic bonds found in
metals and non-metals
covelant bonding involves what
2 atoms sharing 1 or more pairs of electrons
what elements are most covelant bonds found in
non-metal elements
are covelant bonds in non-metal compounds
yes
metallic bonding involves an attraction between what
positively charged ions and negatively charged delocalised electrons
where are metallic bonds found
metals and alloys
what are ions
charged particles
how are ions created
when an atom or molecule gains or loses electrons
how are positive ions made
when an atom loses electrons
positive ions are also called
cations
what groups can easily lose electrons
1 and 2
how are negative ions made
when an atom gains electrons
negative ions are also called
anions
what group is most likely to gain electrons
7
when group 2 metals lose 2 electrons, what do they form
doubly positive ions
when group 6 non-metals gain 2 electrons, what do they form
doubly negative ions
what group is not usually involved in ionic bonding
0/8 (noble gasses)
