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