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