1. These are conductors of electricity but not as well as metals. A. Metals B. Nonmetals C. Metalloids D. Elements 2. . Atomic number of elements also corresponds to the number of ____________. A. Electrons B. Neutron C. Protons D. Nucleus 3. An atom that acquires a net charge due to transfer or gaining of electrons A. Ion B. Charge C. Isotopes D. Energy 4.. Atoms of the same element but with different numbers of neutron in their nuclei. A. Ion B. Charge C. Isotopes D. Atomic mass 5. The property by which an atomic nucleus gives off alpha, beta, and gamma rays. A. Radiation B. Radioactive C. Radioactivity D. Radio waves 6. It is an ion with a positive charge. A. Cation B. Anion C. Protons D. Electrons 7. A tiny indivisible particle that matter is composed of called ________________. A. Atom B. Atomos C. Element D. Compound 8. Who developed the atomic theory of matter? A. Antoine Lavoiser B. John Dalton C. Ernest Rutherford D. Joseph Proust
Posted on: Tue, 04 Nov 2014 11:03:49 +0000
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