Atoms and Atom Model Multiple Choice Questions Test 10 Tests pdf Download

Practice science test 10 on atoms and atom model MCQs, grade 7 electron levels multiple choice questions and answers. Electron levels revision test has science worksheets, 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, so number of protons and neutrons in an atom of sodium is for competitive exam prep. Free science study guide to learn electron levels quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model: Worksheets 10 Quiz pdf Download

MCQ. Atomic number of sodium is 11 and its atomic mass is 23, so 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 covalent compounds are found in

  1. solid state
  2. gaseous state
  3. liquid state
  4. fluid state(liquid and gas both)

D

MCQ. Radioactive isotope of carbon is

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

C

MCQ. Ionic chemical formula for potassium is

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

B

MCQ. Nuclear batteries are

  1. small in size
  2. very heavy
  3. short lived
  4. harmful

A