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