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