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