Curriculum
Course: Science — First Preparatory
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Curriculum

Science — First Preparatory

Unit 1: Matter

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Unit 2: Forces

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Unit 3: Life

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Unit 4: Earth and Space

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Quiz

Structure of the Atom — Lesson quiz

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  • Questions count: 2
  • Passing grade: 60%
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1.
How many protons, neutrons and electrons does the carbon atom ¹²C have, given that its atomic number is 6?
6 protons, 6 neutrons and 6 electrons
12 protons, 6 neutrons and 6 electrons
6 protons, 12 neutrons and 12 electrons
6 protons, 18 neutrons and 6 electrons
2.
A sodium atom has atomic number 11 and mass number 23. How many neutrons does it have?
11 neutrons
12 neutrons
34 neutrons
23 neutrons
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