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WorksheetsChemistry IBDP Structure 1 - New syllabus
Total questions: 10
Worksheet time: 21mins
0.02mol of zinc is added to 10.0cm3 of 1.0mol dm-3 hydrochloric acid.
How many moles of hydrogen are produced?
0.005
0.01
0.02
0.04
8.8g of an oxide of nitrogen contains 3.2g of oxygen. What is the empirical formula of the compound?
N2O5
N2O
NO2
NO
Naturally occurring gallium consists of the isotopes 71Ga and 69Ga. What is the approximate percentage abundance of 69Ga? Mr (Ga) = 69.72.
40%
50%
60%
75%
Which of the following is the electron configuration of a metallic element?
[Ne] 3s2 3p2
[Ne] 3s2 3p4
[Ne] 3s2 3p6 3d3 4s2
[Ne] 3s2 3p6 3d10 4s2 4p5
For which compound is the empirical formula the same as the molecular formula?
Ar (H) = 1; Ar (C) = 12; Ar (O) = 16
A
B
C
D
Which diagram represents a heterogeneous mixture?
A
B
C
D
What volume of carbon dioxide, CO2(g), can be obtained by reacting 1dm3 of methane, CH4(g), with 1dm3 of oxygen, O2 (g)?
0.5dm3
1dm3
2dm3
6dm3
What is the empirical formula of a hydrocarbon with 75% carbon and 25% hydrogen by mass?
C3H
CH2
C2H6
CH4
What is the ground state electron configuration of an atom of chromium, Cr (Z = 24)?
[Ar]3d6
[Ar]4s2 3d4
[Ar]4s1 3d5
[Ar]4s2 4p4
Which describes an atom of bismuth, Bi (Z = 83)?
A
B
C
D
