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