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