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WorksheetsY11 welcome quiz
Total questions: 19
Worksheet time: 18mins
Structure C is a(n)
Proton
Neutron
Electron
What is the number of protons of element Oxygen?
8
6
7
5
The number 16 for the atomic element sulfur is the
ionic number
isotope
atomic mass
atomic number
Empirical formula is the simplest _____ ______ _____ of atoms in a compound.
(a)
What are the correct formulas of the acids you need to know for IGCSE?
NiHO, SO3, ClOH
HNO3, H2SO4, HCl
HNO2, H2SO3, HCl
HNO3, HSO4, HCl
Which of the following terms describes the structure of iodine, oxygen, and carbon dioxide?
simple covalent
giant covalent
giant ionic
metallic
Which of the following terms describes the structure of sand, graphite and diamond?
simple covalent
giant covalent
giant ionic
metallic
A mole is:
The SI unit for mass
The SI unit for the amount of a substance
The SI unit for volume
The SI unit for area
How many atoms of sulfur are in each molecule of H2SO4?
1
4
2
7
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
How many moles of water can be produced if 8 moles H2 are used?
Which diagram represents molecules of a compound?
A
B
C
D
Which statement describes isotopes?
Isotopes of the same element have different electron arrangements.
Isotopes of the same element have different nuclear charges.
Isotopes of the same element have nuclei with masses that are the same.
Isotopes of the same element have the same number of protons.
What is the atomic number of this atom?
9
10
19
27
