
IB Chemistry HL - Periodicity
Authored by QuackerzUwU QuackerzUwU
Chemistry
11th - 12th Grade
NGSS covered
Used 36+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is correct about Na2O?
It's a simple strongly acidic oxide
The oxide ion, O2-, is a very weak base so it has a low tendency to combine with H ions
It's a simple strongly basic oxide
The reaction of Na2O with H2O gives a pH of 7
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Na2O(s) + H2O(l) --> ?
(a)
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is correct for MgO?
The reaction of MgO with HCl gives a pH of around 10.3
It requires less energy to break
It's more strongly basic than Na2O since oxide ions are more weakly-bound
The reaction of MgO with water gives a pH of around 10.3
Tags
NGSS.HS-PS1-1
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
MgO(s) + H2O(l) --> ?
(a)
Tags
NGSS.HS-PS1-7
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which is correct for P4O10
It is classified as a basic oxide
It has a pH of 0-1
It reacts violently with water to give a very weak acid of H2PO4 (phosphoric acid)
It has a pH of 13-14
6.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
Construct the balanced equation:
NO2 reacts with water to form nitrous acid(HNO2) and nitric acid(HNO3)
(a)
7.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
Construct the balanced equation:
NO2 reacts with water but the nitrous acid(HNO2) decomposes to nitric oxide(NO) with nitric acid(HNO3)
(a)
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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