Lesson 1.1.1
1.1.1 Sub-atomic particles, isotopes and relative masses Quiz: Pearson Edexcel Chemistry, Unit 1
20 questions
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Lesson 1.1.1, Sub-atomic particles, isotopes and relative masses: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 1: Atomic Structure and the Periodic Table, written with Revision Ninja.
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The 20 questions
-
Which particles are found in the nucleus of an atom?
- Protons and neutrons
- Electrons only
- Protons and electrons
- Neutrons and electrons
-
What is the relative charge of an electron on the standard scale?
- +2
- +1
- 0
- -1
-
What name is given to atoms of the same element with different numbers of neutrons?
- Isomers
- Allotropes
- Ions
- Isotopes
-
What is the approximate relative mass of a neutron on the 12C scale?
- 2
- 0.0005
- 12
- 1
-
Which sub-atomic particle varies in number between different isotopes of an element?
- Nucleons
- Neutrons
- Protons
- Electrons
-
An atom has atomic number 17 and mass number 35. How many neutrons does it contain?
- 52
- 35
- 18
- 17
-
Which ion contains 8 protons and 10 electrons?
- O2+
- F-
- N3-
- O2-
-
An ion has 16 protons, 18 neutrons and 18 electrons. What is its overall charge?
- -18
- +2
- -2
- 0
-
Chlorine-37 has atomic number 17. How many neutrons does one chlorine-37 atom contain?
- 18
- 37
- 20
- 17
-
Which pair of species contains the same number of electrons?
- F and Cl
- Na+ and Ne
- Na and Na+
- Cl and Cl-
-
What is the standard reference standard for relative isotopic mass?
- Carbon-14
- Oxygen-16
- Carbon-12
- Hydrogen-1
-
An atom of fluorine has atomic number 9 and mass number 19. How many electrons does the fluoride ion, F-, contain?
- 19
- 8
- 9
- 10
-
How many neutrons does a carbon-14 atom contain? (Atomic number of carbon is 6.)
- 6
- 8
- 14
- 20
-
Which sub-atomic particle has a negligible mass in atomic calculations?
- Proton
- Nucleon
- Electron
- Neutron
-
What property is identical for two atoms that are isotopes of each other?
- Neutron number
- Nucleon number
- Mass number
- Proton number
-
An ion X2- has 34 electrons and 45 neutrons. What is its mass number?
- 79
- 77
- 66
- 34
-
An element has mass number 81 and 46 neutrons. What is its atomic (proton) number?
- 127
- 35
- 46
- 81
-
Why does an anion carry a negative charge?
- Extra protons
- Fewer electrons
- Extra electrons
- Fewer neutrons
-
Which neutral atom contains exactly 9 electrons?
- Neon
- Sodium
- Fluorine
- Oxygen
-
Why do different isotopes of an element have identical chemical properties?
- Same nucleon number
- Same neutron number
- Same electron configuration
- Same mass number
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