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