Who discovered NEUTRON?, Eugen Goldstein, Joseph John Thomson, William Crookes, James Chadwick, Who discovered ELECTRONS?, Eugen Goldstein, Joseph John Thomson, William Crookes, James Chadwick, Who discovered PROTONS?, Eugen Goldstein, Joseph John Thomson, William Crookes, James Chadwick, What is the charge of ELECTRON?, +1, -1, 0, neutral, Which of the following is the mass of proton?, 1.673 x 10 -24 grams, 1.675 x 10 -24 grams, 9.109 x 10 -28 grams, Which of the following is the simplest atom?, helium, hydrogen, oxygen, carbon, Which of the following is the mass of an electron?, 1.673 x 10 -24 g, 9.109 x 10 -30 g, 9.109 x 10 -28 g, 1.675 x 10 -24 g, WHich of the following is the other term for electrons?, corps, neutral, negative, corpuscles, Which of the following is the largest SUBATOMIC particle?, neutron, electron, proton, corpuscles, Which of the following is correct about electrons and protons?, positively charged protons are not balanced with the number of electrons, number of protons are equal to number of neutrons, positively charged protons are always balanced by an equal number of negatively charged electrons., proton = electrons = neutron, Which of the following description is correct about Helium?, it contains 2 electrons and 2 neutrons, it contains 1 electron and 1 proton, it contains 2 protons and 2 neutrons, it contains 2 electrons and 2 protons, Who invented Crookes tube?, Joseph Crookes, Manuel Crookes, William Crok, William Crookes, What is the symbol of electron?, e +, e -, n 0, p -, What is the symbol of neutron?, n, e -, n 0, p -, What is the symbol of proton?, p -, e -, n 0, p

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