Atoms and Atom Model Multiple Choice Questions 11 PDF Download

Learn atoms and atom model MCQs, grade 7 online science test 11, mass number and isotopes multiple choice questions and answers. Mass number and isotopes revision test has science worksheets, helping answer key with choices as bonding, chemical reaction, electrical conductivity and physical reaction of multiple choice questions (MCQ) with mass number and isotopes quiz as isotopes behave same way in for competitive exam prep, viva interview questions. Free science study guide to practice mass number and isotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 11

MCQ. Isotopes behave the same way in

  1. chemical reaction
  2. bonding
  3. electrical conductivity
  4. physical reaction

A

MCQ. In methane gas, each carbon atom is bonded with

  1. two oxygen atoms
  2. two hydrogen atoms
  3. three oxygen atoms
  4. four hydrogen atoms

D

MCQ. Oxygen is a diatomic gas so its chemical formula is

  1. O2
  2. O2
  3. O
  4. Ox

B

MCQ. The atomic number of helium is

  1. 1
  2. 2
  3. 3
  4. 4

B

MCQ. The atomic number of hydrogen is

  1. 1
  2. 2
  3. 3
  4. 4

A