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