Test
Atomic structure quiz
A 9th-grade atomic structure quiz where students practice identifying subatomic particles, understanding isotopes, ions, and the history of atomic models through multiple-choice and short-answer questions. The quiz develops comprehension of key concepts in atomic theory.
By Edform · Chemistry · Grade 9 · Published Oct 15, 2026 · New
A copy is added to your account. Change it however you like.
Questions
- Which subatomic particle has a negative charge?
- Which of the following statements about isotopes are correct?
- A neutral atom has the same number of protons and electrons.
- What is the name of the scientist who proposed the 'plum pudding' model of the atom?
- Which part of the atom contains most of its mass?
- Which of the following are true about ions?
- How many neutrons are in an atom of carbon-14?
- Who discovered the nucleus through the gold foil experiment?
- The number of protons in an atom determines its identity as an element.
- What is the charge of a neutron?
More like this
Worksheet
Atomic structure practice
This 9th grade practice activity on atomic structure helps students identify and understand protons, neutrons, electrons, atomic and mass numbers, isotopes, and ions through question types like multiple-choice, ordering, and fill-in-the-blank exercises.
Chemistry · Grade 9 · New · Oct 15, 2026
Lesson
Inside the atom
This 9th-grade classroom material helps students explore the history and structure of atomic models through question-based exercises. Students practice identifying scientists, understanding subatomic particles, and sequencing models by answering multiple-choice and fill-in-the-blank questions.
Chemistry · Grade 9 · New · Oct 15, 2026
Worksheet
Atomic structure worksheet: protons, neutrons and electrons
Students practise counting protons, neutrons and electrons from atomic and mass numbers, comparing isotopes and finding the charge of ions. The worksheet uses multiple choice, fill in, matching, ordering and sorting items for grade 10 chemistry.
Chemistry · Grade 10 · New · Nov 3, 2026
Test
Structure of matter test
This 7th-grade test helps students practice understanding the structure of matter by answering questions about atoms, elements, the periodic table, and mixtures. The test includes multiple-choice questions that challenge students to identify parts of atoms, classify substances, and distinguish between pure substances and mixtures.
Science · Grade 7 · New · Oct 15, 2026
Lesson
Atoms and molecules
This 6th-grade resource helps students practice understanding atomic structure and molecules through multiple-choice questions, ordering activities, and fill-in-the-blank exercises, enhancing their comprehension of atomic particles and molecular models.
Science · Grade 6 · New · Oct 15, 2026
Test
Atoms and molecules quiz
This quiz helps 6th-grade students practice identifying atoms, molecules, elements, and compounds through multiple-choice questions and identification tasks. It reinforces understanding of basic concepts like atomic structure, chemical symbols, and compound formation.
Science · Grade 6 · New · Oct 15, 2026