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