A) 0.014 g/cm3 B) 0.014g C) 14,000 g/cm3 D) 14.28g/cm3
A) very close together and freely moving B) somewhat spread apart with little movement C) very far apart and feely moving D) somewhat spread apart with almost not movement
A) atom with different number of electrons B) atom with different number of protons C) atom with different number of energy levels D) atom with different number of neutrons
A) 4d B) 5s C) 4p D) 3d
A) S B) Si C) Na
A) magnesium B) aluminum C) oxygen D) nitrogen
A) 0.56x10-24atoms B) 2.05atoms C) 2.05x1024atoms D) 18.3atoms
A) 0.37mol B) 185.92mol C) 36.4x1023 mol D) 2.70mol
A) 117grams B) 0.041grams C) 24.67grams D) 222grams
A) AlCl3 B) Al2Cl C) Al2Cl3 D) AlCl2
A) single-replacement B) composition C) combustion D) decomposition
A) single-replacement B) composition C) combustion D) double-replacement
A) __,3,__,3 B) __,3,3,__ C) balanced D) 3,__,__,3
A) subscripts B) reactants C) products D) coefficients
A) 65.6grams B) 39.6grams C) 138.7grams D) 52.0grams
A) Li=+1 O=-2 B) Li=+1 O=-1 C) Li=+2 O=-1 D) Li=+2 O=-2
A) 76 amu B) 120 g/mol C) 76 g/mol D) 120 amu
A) 20% B) 11% C) 89% D) 2%
A) 74 amu B) 74 g/mol C) 36 amu D) 36 g/mol
A) synthesis B) combustion C) single-displacement D) double-displacement E) decomposition
A) synthesis B) decompostion C) single-displacement D) double-displacement E) combustion
A) decompostion B) combustion C) double-displacement D) synthesis E) single-displacement
A) single-displacement B) combustion C) double-displacement D) decomposition E) synthesis
A) combustion B) double-displacement C) synthesis D) single-displacement E) decomposition
A) K B) L C) atm D) oC
A) L B) atm C) K D) torr
A) 0.001cm3 B) 13976cm3 C) 395cm3 D) 0.047cm3
A) 805mmHg B) 1071mmHg C) 706mmHg D) 1200mmHg
A) 855K B) 105.3K C) 303K D) 581K
A) 500K B) 352K C) 206K D) 421K
A) 32atm B) 15atm C) 49atm D) 18.9atm
A) Subtract 273 B) Divide by 273 C) Add 273 D) Multiply by 273
A) 101.325kPa B) 1atm C) 760 torr D) All of these
A) K B) oC C) Two of the above D) L
A) research B) communicating results C) organizing data D) experimentation
A) water B) growth C) music D) sunlight
A) water B) sunlight C) growth D) music
A) 0.86 B) 860 C) 86000 D) 8.6
A) element B) homegeneous mixture C) compound D) heterogeneous mixture
A) air B) hydrogen C) salt water 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) chemical property B) physical property
A) physical property B) chemical property
A) physical change B) chemical change
A) physical change B) chemical change
A) noble gases B) alkali metals C) halogens D) transition metals
A) by atomic number B) by date of discovery C) by atomic mass D) alphabetically
A) Millikan B) Thomson C) Rutherford
A) Millikan B) Rutherford C) Thomson
A) 6 B) 8 C) 7 D) 9
A) 6.02x1023 B) Not enough information C) it depends on the mass
A) 1s22s22p6 B) 1s12s12p6 C) 1s22s22p5 D) 1s12s22p5
A) [Ar] 4s2 B) [Ar]5s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Kr]5s2
A) increases B) decreases
A) increases B) decreases
A) 3 B) 12 C) 6 D) 4
A) covalent B) special C) ionic D) metallic
A) special B) ionic C) covalent D) metallic
A) Mg2S B) MgS4 C) MgS D) MgS2
A) CCl2 B) CCl4 C) CCl3 D) CCl
A) iron chloride B) iron dichloride C) iron (II) chloride D) iron (IV) chloride
A) nitrogen chloride B) trinitrogen hexachloride C) nitrogen (III)chloride D) nitrogen hexachloride
A) donates/accepts electrons B) shares electrons
A) number of atoms B) nothing C) charge D) how much it weighs
A) two of these B) transition metals C) groups 1A,2A,3A and 4A D) 4A
A) 3,__,__,3 B) __,3,3,__ C) __,__,__,__ D) __,3,__,3
A) __,__,__,__ B) __,2,__,2 C) 2,__,2,__ D) __2,2,__
A) multipliers B) dividers C) coefficients D) subscripts
A) nonmetals B) metalloids C) metals
A) total protons B) total neutrons C) total electrons D) valence electrons
A) Cr2Cl B) CrCl2 C) CrCl D) Cr2Cl2
A) NaCl B) HF C) HCl D) NaOH
A) 0g B) 25 C) 12.5g D) 50
A) neutral B) bases C) acids
A) ... B) Ms. Watson C) ... |