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