CM1131 Flashcards
just CM1131
Ammonium formula
NH4^+
Silver formula
Ag+
Zinc formula
Zn^2+
Hydroxide formula
OH-
Nitrite
NO3^-
Sulfate formula
SO4^2-
Carbonate formula
CO3^2-
Phosphate formula
PO4^3-
cation is…?
a positive ion
anion is…?
a negative ion
Methane formula
CH4
Ammonia
NH3
anion end with ‘-ate’ is…?
polyatomic (two or more atoms bonded tgt with an electrical charge)
nucleon number is…?
the number of protons and neutrons
atom forming cation has change/no change in name
no change in name
atom forming anion has change/no change in name
change in name - ends with ‘ide’
Hydrogen Cyanide
HCN
Ozone
O3
Beryllium sulfide is ionic/covalent
ionic
Sulfur oxide is ionic/covalent
covalent
Disulfur decafluoride
S2F10
Dinitrogen tetroxide
N2O4
SF6
Sulfur hexafluoride
Name 3 covalent substances from the list:
MgSO4, Li2O, CHCl3, Br2, CaCl2, SO4, Fe2O3
CHCl3, Br2, SO2
Grp 1 of periodic table
Alkali Metals
very reactive
soft shiny and silvery solids
low melting and boiling points compared to other metals that decrease down the grp
low densities
1 valence electron
Grp 2 of periodic table
Alkaline Earth Metals
silvery solids
high melting and boiling points that decrease
2 valence electron
Grp 17
Halogens
coloured solids liquids/gases at rtp
low melting and boiling poits that increase down the grp
reactivity decreases
7 valence electron
grp 18 of periodic table
Noble gases
very unreactive
colourless gases
low melting and boiling point that increase
full outer shell
