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Course: Edexcel Igcse Chemistry Modular — UNIT 1
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Edexcel Igcse Chemistry Modular — UNIT 1

Unit 1 · Principles of Chemistry

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Unit 1 · Inorganic Chemistry

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Unit 1 · Physical & Organic Chemistry

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Quiz

Atomic structure – Check yourself

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Atomic structure Edexcel O Level Modular Chemistry check yourself quiz: free practice for Edexcel Modular – OL (chemistry). Work through this Atomic structure Edexcel O Level Modular Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 1c Atomic structure — Notes lesson. More practice: Edexcel Modular – OL (chemistry) — all units. Syllabus: Pearson Edexcel International GCSEs.

  • Questions count: 10
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
What is the relative charge of a neutron?
+1
−1
0
+2
2.
An atom has 19 protons and 20 neutrons. Its mass number is:
19
20
39
1
3.
Isotopes of an element have different numbers of:
protons
neutrons
electrons in a neutral atom
outer electrons
4.
Why do isotopes have the same chemical properties?
Same mass
Same number of neutrons
Same electron configuration
Same density
5.
Boron is 20% 10B and 80% 11B. Ar is:
10.8
10.2
10.5
11.0
6.
Electronic configuration of sodium (Z = 11) is:
2.8.8.1
2.8.1
2.9
8.2.1
7.
Which statement best describes Proton?
The weighted mean mass of the isotopes of an element compared with 1/12 of the mass of a carbon-12 atom.
The smallest particle of an element that can take part in a chemical reaction.
Atoms of the same element with the same number of protons but different numbers of neutrons.
A positively charged particle in the nucleus with relative mass 1.
8.
Which statement best describes Atom?
The smallest particle of an element that can take part in a chemical reaction.
A negatively charged particle in shells around the nucleus with relative mass about 1/1836.
The weighted mean mass of the isotopes of an element compared with 1/12 of the mass of a carbon-12 atom.
The total number of protons and neutrons in the nucleus.
9.
Which statement best describes Isotopes?
A positively charged particle in the nucleus with relative mass 1.
A neutral particle in the nucleus with relative mass 1.
The smallest particle of an element that can take part in a chemical reaction.
Atoms of the same element with the same number of protons but different numbers of neutrons.
10.
Which statement best describes Electron?
The smallest particle of an element that can take part in a chemical reaction.
The total number of protons and neutrons in the nucleus.
Atoms of the same element with the same number of protons but different numbers of neutrons.
A negatively charged particle in shells around the nucleus with relative mass about 1/1836.
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Part of Unit 1 · Principles of Chemistry — see every lesson and quiz in this unit.
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