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