Periodic Table Flashcards
What is the oxidation state for oxygen and what is the exception?
-2 except with peroxides its -1
What does the period, block and group number mean for sub shell notation?
Period - highest number shell
Block - highest energy shell
Group - no. of electrons in highest number shell
What is the oxidation number of hydrogen?
With metals -1
With non metals +1
What is the oxidation number of an element?
0
What is the product of an acidic oxide with a base?
Water and metal oxide
What are acidic oxides?
Non metals
What are basic oxides?
Metals
What is formed when an acidic oxide mixes with water?
An acid
What is the product of a basic oxide with an acid?
Water and metal ions
What is the product of basic oxides with water?
Hydroxide ions and metal ions
What are the two amphoteric oxides?
ZnO and Al2O3
What is the product when an amphoteric oxide is mixed with a base?
Water and metal oxide
What is the product when amphoteric oxide mixes with an acid?
Water and metal ion
A molecule is non polar if?
Symmetrical
Even distribution of charge
Polarities cancel out
A molecule is polar if?
Lacks symmetry
Difference in electronegativity
Uneven distribution of charge
Polarities don’t cancel
