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