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