Q1. Which of the following has a positive charge? a) proton b) neutron c) electron d) atom Q2. A special notation is use

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Q1 Which Of The Following Has A Positive Charge A Proton B Neutron C Electron D Atom Q2 A Special Notation Is Use 1 (139.26 KiB) Viewed 25 times

Q1. Which of the following has a positive charge? a) proton b) neutron c) electron d) atom Q2. A special notation is used to describe an isotope AX "A" (the mass number) is: a) Number of Protons b) Number of neutrons c) Number of electrons d) Number of Protons + Number of neutrons. Q3. The neutral atoms of all of the isotopes of the same element have a) different numbers of protons. b) equal numbers of neutrons. c) the same number of electrons. d) the same mass numbers. Q4. Radioactive materials have unstable a) electrons. b) protons. c) nuclei. d) neutrons Q5. In alpha decay, the mass number of the atom a) Equals the sum of the mass numbers of the products. b) does not change after the decay c) is the same as the atomic number d) decreases by 4 Q6.In radioactive decay, with each successive half-life, half the remaining sample decays to form another a) radiation type b) life-form. c) element. d) proton.