A) 0.014g B) 14,000 g/cm3 C) 0.014 g/cm3 D) 14.28g/cm3
A) very far apart and feely moving B) somewhat spread apart with little movement C) very close together and freely moving D) somewhat spread apart with almost not movement
A) atom with different number of energy levels B) atom with different number of protons C) atom with different number of electrons D) atom with different number of neutrons
A) 3d B) 4d C) 4p D) 5s
A) Na B) Si C) S
A) oxygen B) magnesium C) aluminum D) nitrogen
A) 0.56x10-24atoms B) 18.3atoms C) 2.05atoms D) 2.05x1024atoms
A) 36.4x1023 mol B) 0.37mol C) 2.70mol D) 185.92mol
A) 24.67grams B) 222grams C) 0.041grams D) 117grams
A) Al2Cl3 B) Al2Cl C) AlCl2 D) AlCl3
A) composition B) decomposition C) single-replacement D) combustion
A) combustion B) double-replacement C) single-replacement D) composition
A) __,3,3,__ B) __,3,__,3 C) 3,__,__,3 D) balanced
A) reactants B) coefficients C) products D) subscripts
A) 52.0grams B) 39.6grams C) 65.6grams D) 138.7grams
A) Li=+2 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-1 D) Li=+1 O=-2
A) 120 g/mol B) 76 amu C) 76 g/mol D) 120 amu
A) 20% B) 11% C) 2% D) 89%
A) 36 amu B) 74 amu C) 36 g/mol D) 74 g/mol
A) double-displacement B) single-displacement C) synthesis D) combustion E) decomposition
A) synthesis B) double-displacement C) combustion D) single-displacement E) decompostion
A) decompostion B) synthesis C) double-displacement D) combustion E) single-displacement
A) combustion B) synthesis C) double-displacement D) decomposition E) single-displacement
A) combustion B) decomposition C) double-displacement D) single-displacement E) synthesis
A) L B) oC C) K D) atm
A) atm B) K C) torr D) L
A) 0.047cm3 B) 395cm3 C) 13976cm3 D) 0.001cm3
A) 1071mmHg B) 1200mmHg C) 805mmHg D) 706mmHg
A) 105.3K B) 581K C) 855K D) 303K
A) 421K B) 352K C) 500K D) 206K
A) 15atm B) 32atm C) 18.9atm D) 49atm
A) Multiply by 273 B) Divide by 273 C) Subtract 273 D) Add 273
A) 101.325kPa B) 760 torr C) 1atm D) All of these
A) Two of the above B) oC C) L D) K
A) organizing data B) experimentation C) research D) communicating results
A) water B) growth C) music D) sunlight
A) growth B) water C) sunlight D) music
A) 0.86 B) 86000 C) 8.6 D) 860
A) compound B) element C) heterogeneous mixture D) homegeneous mixture
A) hydrogen B) salt water C) air D) two of these
A) maintain seperate identities B) none of these C) combine to form new substances D) are hard to pick out
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) noble gases C) transition metals D) halogens
A) by atomic number B) alphabetically C) by atomic mass D) by date of discovery
A) Rutherford B) Thomson C) Millikan
A) Rutherford B) Thomson C) Millikan
A) 8 B) 6 C) 9 D) 7
A) Not enough information B) 6.02x1023 C) it depends on the mass
A) 1s12s22p5 B) 1s12s12p6 C) 1s22s22p6 D) 1s22s22p5
A) [Kr]5s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Ar] 4s2 D) [Ar]5s2
A) decreases B) increases
A) increases B) decreases
A) 6 B) 4 C) 3 D) 12
A) covalent B) ionic C) special D) metallic
A) covalent B) metallic C) ionic D) special
A) MgS B) MgS2 C) MgS4 D) Mg2S
A) CCl B) CCl3 C) CCl2 D) CCl4
A) iron (II) chloride B) iron chloride C) iron (IV) chloride D) iron dichloride
A) nitrogen hexachloride B) trinitrogen hexachloride C) nitrogen chloride 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) groups 1A,2A,3A and 4A C) two of these D) 4A
A) __,3,__,3 B) 3,__,__,3 C) __,3,3,__ D) __,__,__,__
A) __,__,__,__ B) __2,2,__ C) __,2,__,2 D) 2,__,2,__
A) subscripts B) dividers C) coefficients D) multipliers
A) metalloids B) metals C) nonmetals
A) total neutrons B) valence electrons C) total electrons D) total protons
A) CrCl B) Cr2Cl2 C) CrCl2 D) Cr2Cl
A) NaOH B) HCl C) NaCl D) HF
A) 0g B) 25 C) 50 D) 12.5g
A) neutral B) acids C) bases
A) Ms. Watson B) ... C) ... |