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