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