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