According to the modern atomic theory:Question 6Select one:a.Chemical reactions do not change the way the atoms are combined in compounds.b.Chemical compounds consist of atoms combined in specific ratios.c.All matter is not composed of atoms.d.The atoms of a given element are the same as atoms of all other elements.

Which of these assumptions about atoms and matter do not form part of the modern atomic theory?Question 8Select one:a.All matter is composed of atoms.b.The atoms of a given element differ from the atoms of all other elements.c.Chemical compounds consist of atoms combined in specific ratios.d.Chemical reactions change the atoms themselves; the way the atoms are combined in compounds are unchanged.

(A) Atoms of different elements differ in mass.(B) Matter consists of divisible atoms.(C) Compounds are formed when atoms of different element combine in a fixed ratio.(D) All the atoms of given element have different properties including mass.(E) Chemical reactions involve reorganisation of atoms.Choose the correct answer from the options given below :JEE Main 2024 (05 Apr Shift 1)A(C), (D), (E) onlyB(B), (D) onlyC(A), (B), (D) onlyD(B), (D), (E) only

Which one of the following statements correctly describes a chemical reaction?When compounds in atoms are rearranged but don’t form a new substance.When atoms in elements or compounds are rearranged to form a new substance.When elements in atoms are rearranged to form a new substance.When atoms in elements or compounds are rearranged but don’t form a new substance.I DON'T KNOWSUBMIT ANSWER

Select all the true statements.Two different substances can be composed of different chemical elements.Two different substances with crystal structures can be composed of the same chemical elements in the same ratio and also have the same arrangements of atoms.Molecules of two different substances can be composed of the same chemical elements but have different numbers of atoms.Submit

Select the incorrect statement about Dalton’s theory of the atom.A.All elements are composed of atoms.B.Atoms are indivisible and indestructible.C.Compounds contain atoms of more than one element.D.Atoms of all the elements have same number of protons, electrons and neutrons