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