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