A) 0.014g B) 14,000 g/cm3 C) 0.014 g/cm3 D) 14.28g/cm3
A) somewhat spread apart with little movement B) very far apart and feely moving C) very close together and freely moving D) somewhat spread apart with almost not movement
A) atom with different number of protons B) atom with different number of electrons C) atom with different number of neutrons D) atom with different number of energy levels
A) 5s B) 4p C) 3d D) 4d
A) Na B) S C) Si
A) oxygen B) aluminum C) nitrogen D) magnesium
A) 2.05x1024atoms B) 2.05atoms C) 0.56x10-24atoms D) 18.3atoms
A) 185.92mol B) 0.37mol C) 36.4x1023 mol D) 2.70mol
A) 222grams B) 0.041grams C) 24.67grams D) 117grams
A) AlCl3 B) AlCl2 C) Al2Cl D) Al2Cl3
A) composition B) decomposition C) combustion D) single-replacement
A) composition B) single-replacement C) combustion D) double-replacement
A) balanced B) 3,__,__,3 C) __,3,3,__ D) __,3,__,3
A) reactants B) subscripts C) products D) coefficients
A) 138.7grams B) 65.6grams C) 39.6grams D) 52.0grams
A) Li=+2 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-1 D) Li=+1 O=-2
A) 76 amu B) 120 g/mol C) 120 amu D) 76 g/mol
A) 2% B) 89% C) 20% D) 11%
A) 74 g/mol B) 36 g/mol C) 74 amu D) 36 amu
A) double-displacement B) single-displacement C) decomposition D) combustion E) synthesis
A) synthesis B) decompostion C) combustion D) double-displacement E) single-displacement
A) decompostion B) single-displacement C) synthesis D) double-displacement E) combustion
A) double-displacement B) single-displacement C) decomposition D) combustion E) synthesis
A) synthesis B) combustion C) decomposition D) double-displacement E) single-displacement
A) atm B) oC C) L D) K
A) torr B) atm C) L D) K
A) 0.001cm3 B) 0.047cm3 C) 13976cm3 D) 395cm3
A) 1071mmHg B) 706mmHg C) 1200mmHg D) 805mmHg
A) 581K B) 105.3K C) 303K D) 855K
A) 500K B) 421K C) 352K D) 206K
A) 18.9atm B) 15atm C) 49atm D) 32atm
A) Subtract 273 B) Add 273 C) Multiply by 273 D) Divide by 273
A) 101.325kPa B) 760 torr C) 1atm D) All of these
A) Two of the above B) L C) oC D) K
A) organizing data B) communicating results C) research D) experimentation
A) sunlight B) water C) music D) growth
A) water B) music C) sunlight D) growth
A) 860 B) 0.86 C) 86000 D) 8.6
A) element B) homegeneous mixture C) heterogeneous mixture D) compound
A) hydrogen B) salt water C) two of these D) air
A) none of these B) combine to form new substances C) maintain seperate identities D) are hard to pick out
A) physical property B) chemical property
A) physical property B) chemical property
A) physical change B) chemical change
A) physical change B) chemical change
A) transition metals B) alkali metals C) halogens D) noble gases
A) by atomic mass B) by date of discovery C) alphabetically D) by atomic number
A) Thomson B) Rutherford C) Millikan
A) Millikan B) Thomson C) Rutherford
A) 6 B) 9 C) 8 D) 7
A) Not enough information B) it depends on the mass C) 6.02x1023
A) 1s12s12p6 B) 1s22s22p6 C) 1s22s22p5 D) 1s12s22p5
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Ar]5s2 C) [Kr]5s2 D) [Ar] 4s2
A) decreases B) increases
A) increases B) decreases
A) 4 B) 12 C) 3 D) 6
A) ionic B) covalent C) metallic D) special
A) metallic B) covalent C) special D) ionic
A) MgS B) MgS2 C) MgS4 D) Mg2S
A) CCl4 B) CCl3 C) CCl2 D) CCl
A) iron (II) chloride B) iron chloride C) iron dichloride D) iron (IV) chloride
A) nitrogen chloride B) trinitrogen hexachloride C) nitrogen hexachloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) nothing B) charge C) number of atoms D) how much it weighs
A) transition metals B) groups 1A,2A,3A and 4A C) two of these D) 4A
A) __,3,__,3 B) __,3,3,__ C) 3,__,__,3 D) __,__,__,__
A) __,2,__,2 B) __2,2,__ C) __,__,__,__ D) 2,__,2,__
A) coefficients B) dividers C) subscripts D) multipliers
A) metalloids B) nonmetals C) metals
A) valence electrons B) total electrons C) total protons D) total neutrons
A) Cr2Cl2 B) Cr2Cl C) CrCl2 D) CrCl
A) HF B) NaCl C) HCl D) NaOH
A) 25 B) 0g C) 12.5g D) 50
A) acids B) bases C) neutral
A) Ms. Watson B) ... C) ... |