Class 7 Science Online Tests
Atoms and Elements MCQ (Multiple Choice Questions) PDF Download
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The Atoms and elements Multiple Choice Questions (MCQ Quiz) with Answers PDF (Atoms and Elements MCQ PDF e-Book) download to study Grade 7 Science Tests. Learn Atoms and Atom Model Multiple Choice Questions and Answers (MCQs), Atoms and Elements quiz answers PDF to learn online homeschool courses. The Atoms and Elements MCQ App Download: Free Grade 7 Science App to study inside an atom, uses of radioisotopes, ionic bonds, mass number and isotopes test prep for distance learning classes.
The MCQ: The number of protons and electrons in an atom of uranium is; "Atoms and Elements" App Download [Free] with answers: 90, 91, 92, and 94 to learn online homeschool courses. Solve Atoms and Atom Model Quiz Questions, download Google eBook (Free Sample) for school certificate.
Atoms and Elements Questions and Answers PDF Download
The number of protons and electrons in an atom of uranium is
- 90
- 91
- 92
- 94
As there are same number of electrons and protons in an atom, atomic number can also be called
- electron number
- proton number
- nucleon number
- mass number
The smallest atom in 'periodic table' yet found is
- hydrogen
- helium
- lithium
- magnesium
Atoms of different elements differ from each other because of
- difference in color
- difference in size
- difference in shape
- difference in particle numbers
A material which is made up of one type of atom is known as
- element
- compound
- mixture
- molecule
Class 7 Science Practice Tests
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Grade 6 Science Career Tests
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