1) How many orbitals are in the third principal energy level? a) 3 b) 6 c) 9 d) 2 2) Which electronic configuration is correct? a) 2He :2s b) 1H: 1d1 c) 11Na: 1s2 2s2 3p5 3s2 d) 10Ne: 1s2 2s2 2p6 3) Which atomic model is proposed by Schrodinger? a) Nuclear model b) Raisin bread model c) Planetary model d) Quantum mechanical model 4) For a neutral atom with the electron configuration of 1s2 2s2 2p5, which statement is false? a) The atomic number is nine. b) The 1s and 2s orbitals are filled. c) The atom is in the ground state d) The p orbital is completely filled 5) What element matches this electron configuration 1s2 2s2 2p6 3s2? a) Neon b) Magnesium c) Aluminum d) Potassium 6) Which orbital designation has the highest energy? a) 2s b) 2p c) 3d d) 4s 7) Which of the following sublevels is correctly designated? a) 1𝑝5   b) 3𝑓9 c) 2𝑝6 d) 3𝑑11 8) What part of atom is involved in chemical bonding? a) Protons b) Neutrons c) Electrons d) Nucleus 9) Compounds made from nonmetals only are called_______. a) Ionic b) Covalent c) Chemical d) Metallic 10) Which of the following types of bonds will have the highest electrical conductivity a) Ionic bond d b) Covalent bond c) Polar covalent bond d) Non-polar covalent bond

Short Quiz in Science 9 (Quarter 2)

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