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