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