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