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