Tag: atoms, molecules and radicals

Quizzes (4) Questions (53)

Questions Related to atoms, molecules and radicals

Multiple choice chemistry atoms, molecules and radicals history of atomic model atomic theory of dalton daltons atomic theory

Which postulate of Dalton's atomic theory is the result of the law of conservation of mass?

  1. All matter is made of very tiny particles called atoms

  2. Atoms of a given element are identical in mass and chemical properties

  3. Atoms of different elements have different masses and chemical properties

  4. Atoms are indivisible particles and cannot be created nor destroyed
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

According to Dalton's  theory atoms are indivisible particles and cannot be created nor destroyed.

Multiple choice chemistry atoms, molecules and radicals history of atomic model atomic theory of dalton daltons atomic theory

Which of the following correctly represents symbol for chlorine in Berzelius system?

  1. M

  2. Cl

  3. Mn

  4. C
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

M correctly represents a symbol for chlorine in Berzelius system. The symbol M was derived from the word Muriatic Radicle which signifies element chlorine. At present, the symbol M is replaced with symbol Cl.