Two quick questions. 1. Which of the following statements is not true? A) The ch

1) charge of proton= (positive)1.6022 x 10-19 Coulomb;;;;;mass of proton= 1.67

ID: 872212 • Letter: T

Question

Two quick questions.

1. Which of the following statements is not true?

A) The charge on the proton is numerically the same as that of the elctron, but is opposite in sign.

B) The charge of the proton is identical to that of the electron.

C) The proton is heavier than the electron.

D) The neutron has no charge.

E) The atomic number Z, is the number of protons in the nucleus.

2. According to Daltons Atomic theory, which of the following statements is untrue?

A) elements are different because they have different numers of protons in the nucleus.

B) Chemical reaction is the union or seperation of atoms.

C) Atoms can neither be created nor destroyed.

D) Mass is conserve din a chemical reaction.

E) The simplest form of an element is called an atom.

1) charge of proton= (positive)1.6022 x 10-19 Coulomb;;;;;mass of proton= 1.67

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