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