Class 7 Science MCQs - Chapter 1
Atoms and Atom Model Quiz Questions & Answers PDF Download - 23
Apps:
The Atoms and atom model Quiz Questions and Answers PDF (atoms and atom model Quiz PDF e-Book) download Ch. 1-23 to learn Grade 7 Science Course. Solve Mass Number and Isotopes MCQs PDF, Atoms and Atom Model Quiz Questions and Answers to study homeschool online courses. The Atoms and Atom Model Quiz App Download: Free learning app for mass number and isotopes, chemical formulas, atoms and elements, ionic bonds, electron levels test prep for online certificate courses.
The Quiz: The 'isotope' carbon-12 makes up about; "Atoms and Atom Model" App (iOS, Android) with answers: 80% of carbon on earth; 90% of carbon on earth; 99% of carbon on earth; 89% of carbon on earth; to study homeschool online courses. Study Mass Number and Isotopes MCQ Questions, download Amazon eBook (Free Sample) for free online classes.
Atoms and Atom Model Exam Questions and Answers PDF Download: Test 23
The 'isotope' carbon-12 makes up about
- 90% of carbon on earth
- 80% of carbon on earth
- 99% of carbon on earth
- 89% of carbon on earth
One molecule of carbon dioxide consists of
- one carbon and two oxygen atoms
- one carbon and oxygen atom
- two carbon and one oxygen atom
- two carbon and one oxygen atoms
Atoms of different elements differ from each other because of
- difference in color
- difference in size
- difference in shape
- difference in particle numbers
When salt is formed, sodium
- gives an electron to chlorine
- takes an electron from chlorine
- shares an electron with chlorine
- takes a proton from chlorine
In an atom of carbon, electronic configuration is
- 2 electrons in K shell and 4 in M shell
- 2 electrons in L shell and 4 in M shell
- 2 electrons in K shell and 4 in L shell
- 4 electrons in K shell and 2 in L shell
Class 7 Science Mock Tests
Atoms and Atom Model Learning App: Free Download Android & iOS
The App: Atoms and Atom Model Quiz App to learn Atoms and Atom Model Textbook, 7th Grade Science Quiz App, and 8th Grade Science Quiz App. The "Atoms and Atom Model" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!
