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