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