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