A) Energy band B) Electron cloud C) Orbit D) Shell
A) Thomson’s B) Schrodinger’s C) Rutherford’s D) Bohr’s Atomic Model
A) 3p B) 3s C) 4s D) 3d
A) Bohr B) J.J. Thomson C) Rutherford D) Dalton
A) Nuclear B) Plum pudding C) Quantum Mechanical Model D) Planetary
A) 14 B) 2 C) 10 D) 6
A) attraction between ions B) transfer of electrons C) gaining of protons D) sharing of electrons
A) Atoms with equal protons and electrons B) Atoms that form molecules C) Atoms with no charge D) Atoms that gain or lose electrons
A) Cation B) Proton C) Anion D) Neutral atom
A) Anion B) Cation C) Proton D) Metal
A) Isotopes B) Mass number C) Valence electrons D) Atomic number
A) KBr B) MgCl₂ C) NaCl D) CO₂
A) Octet Rule B) Stability Rule C) Periodic Rule D) Bonding Rule
A) Cl2– B) Cl+ C) Cl2+ D) Cl–
A) 1s² 2s² 2p⁶ B) 1s² 2s² 2p⁴ C) 1s² 2s² 2p⁵ D) 1s² 2s¹ 2p⁶
A) Chlorine B) Aluminum C) Argon D) Sulfur
A) Solid or gas B) Gas or liquid C) Solid only D) Liquid only
A) Cation B) Isotope C) Molecule D) Anion
A) Rutherford B) Bohr C) Dalton D) Thomson
A) J.J. Thomson B) Dalton C) Bohr D) Rutherford
A) Chadwick B) Rutherford C) Thomson D) Bohr
A) Heisenberg B) Bohr C) Erwin Schrodinger D) Dalton
A) Schrodinger B) Bohr C) Democritus D) Dalton
A) Nonmetals B) Metalloids C) Metals D) Noble gases
A) Metals B) Metalloids C) Noble gases D) Nonmetals
A) Sodium atom B) Sodium ion that lost one electron C) Neutral sodium D) Sodium ion that gained an electron
A) 4 B) 3 C) 1 D) 2
A) 1 B) 7 C) 3 D) 5
A) MgBr2 B) MgBr C) Mg2Br2 D) Mg2Br
A) Ion B) Atom C) Compound D) Molecule
A) Nitrogen and Helium B) Carbon and Hydrogen C) Sodium and Oxygen D) Iron and Sulfur
A) Alkane B) Alkene C) Alkyne D) Aromatic
A) Vitamins B) Proteins C) Carbohydrates D) Lipids
A) Esters B) Lipids C) Proteins D) CarbohydrateS
A) Nucleic acids B) Carbohydrates C) Proteins D) Lipids
A) C + O → CO₂ B) Na + Cl → NaCl C) N + O → NO₂ D) H + O → H₂O
A) Ketone B) Alcohol C) Ester D) Acid
A) Nucleic acid B) Lipid C) Protein D) Carbohydrate
A) Electrons are motionless. B) Electrons move in specific energy levels. C) The nucleus repels electrons. D) Atoms contain neutrons.
A) Thomson’s B) Niels Bohr’s C) Rutherford’s D) Schrödinger’s
A) Solid A is ionic, Solid B is covalent B) Both are metallic C) Solid A is covalent, Solid B is ionic D) Both are covalent
A) Polar covalent B) Ionic C) Metallic D) Nonpolar covalent
A) N (1s² 2s² 2p³) B) Ne (1s² 2s² 2p⁶) C) O (1s² 2s² 2p⁴) D) Li (1s² 2s¹)
A) H (1s¹) and H (1s¹) B) O (1s²2s²2p⁴) and H (1s¹) C) C (1s²2s²2p²) and O (1s²2s²2p⁴) D) Na (1s²2s²2p⁶3s¹) and Cl (1s²2s²2p⁶3s²3p⁵)
A) Group number equals the total number of electrons B) Group number equals number of shells C) Group number equals the number of valence electrons for main group elements D) No relation
A) Metallic B) Ionic C) Electrolytic D) Covalent
A) They are gases. B) They are metals. C) They form carbohydrates, proteins, lipids, and nucleic acids D) They are inorganic.
A) Protein B) Carbohydrate C) Nucleic acid D) Lipid
A) Proteins B) Lipids C) Sugars D) DNA or RNA
A) Athlete A – carbohydrates provide immediate energy. B) Both are the same. C) Athlete B – protein gives oxygen. D) Athlete B – protein builds muscle faster. |