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