Atomic Structure — Flashcards
ICSE · Class 7 · Chemistry
40 flashcards for Atomic Structure (ICSE Class 7 Chemistry) to test yourself on key terms and facts. Sample: "What is an atom?"
Interactive on Super Tutor
Studying Atomic Structure? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for flashcards and more.
Free trial, no card needed.
An illustration from Super Tutor's Atomic Structure chapter — alongside flashcards, concept maps and practice questions.
What is an atom?
Answer
An atom is the smallest particle of an element that exhibits all the properties of that element. It may or may not exist independently, but it takes part in chemical reactions.
Why is the word atom linked with Democritus?
Answer
The word atom comes from atomos, meaning indivisible. Democritus coined this idea and said the universe was made of tiny indivisible particles called atoms.
Who suggested in 1808 that the atom is the basic unit of matter?
Answer
John Dalton suggested in 1808 that the atom is the basic unit of matter.
What are the main characteristics of atoms?
Answer
Atoms of the same element are identical but differ from atoms of other elements. Atoms cannot be created or destroyed. They may or may not exist independently, but they take part in chemical reactions…
What are the three fundamental particles in an atom?
Answer
The three fundamental particles are electrons, protons, and neutrons.
What is an electron?
Answer
Electrons are the negatively charged particles in an atom with one unit negative charge and negligible mass. The mass of an electron is 1/1837 times the mass of one hydrogen atom. Electrons are found …
What is a proton?
Answer
Protons are the positively charged particles present in an atom with one unit positive charge and one unit mass. They are located in the nucleus.
What is a neutron?
Answer
Neutrons are the particles with no electrical charge, so they are neutral but have one unit mass. They are located in the nucleus.
+32 more flashcards
Practise AllFrequently Asked Questions
What are the important topics in Atomic Structure for ICSE Class 7 Chemistry?
How many flashcards are available for Atomic Structure?
How should I revise Atomic Structure for Class 7 exams?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Atomic Structure
Practice Quiz
Test yourself with a quick quiz
Important Questions
Exam-style questions with answers
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Syllabus
What topics to cover
For serious students
Get the full Atomic Structure chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 7 Chemistry. Free to start, no card needed.