Question detail
Explain why atoms of different elements have different numbers of protons.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
Explain why atoms of different elements have different numbers of protons.
Answer
Atoms of different elements have different numbers of protons because the atomic number, which defines the identity of an element, is determined by the number of protons in the nucleus. Each element on the periodic table is unique and is assigned a specific atomic number that corresponds to its number of protons, leading to distinct chemical properties.
Explanation
This answer is strong because it directly addresses the question by linking the concept of atomic number to the identity of elements. It tests the student's understanding of atomic structure and the fundamental differences between elements.
Common mistake
Confusing Protons with Electrons
Students often think that atoms of different elements have different numbers of electrons instead of protons.
Remember that the defining characteristic of an element is its number of protons, which is unique for each element.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.