Atoms and Atom Model Multiple Choice Questions 10 PDF Download

Learn atoms and atom model MCQs, grade 7 online science test 10, electron levels multiple choice questions and answers. Electron levels revision test has science worksheets, helping answer key with choices as 11 and 23, 11 and 11, 23 and 11 and 11 and 12 of multiple choice questions (MCQ) with electron levels quiz as the atomic number of sodium is 11 and its atomic mass is 23 and number of protons and neutrons in an atom of sodium is for competitive exam prep, viva interview questions. Free science study guide to practice electron levels quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 10

MCQ. The atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is

  1. 11 and 11
  2. 11 and 23
  3. 23 and 11
  4. 11 and 12

D

MCQ. Most of the covalent compounds are found in

  1. solid state
  2. gaseous state
  3. liquid state
  4. both in liquid and gaseous state

D

MCQ. The radioactive isotope of carbon is

  1. carbon-12
  2. carbon-13
  3. carbon-14
  4. carbon-6

C

MCQ. The ionic chemical formula of potassium is

  1. K-
  2. K+
  3. K-
  4. K+

B

MCQ. Nuclear batteries are

  1. small in size
  2. very heavy
  3. harmful
  4. enlarge in size

A