A) 0.014 g/cm3 B) 0.014g C) 14,000 g/cm3 D) 14.28g/cm3
A) very far apart and feely moving B) somewhat spread apart with little movement C) somewhat spread apart with almost not movement D) very close together and freely moving
A) atom with different number of energy levels B) atom with different number of protons C) atom with different number of neutrons D) atom with different number of electrons
A) 4p B) 3d C) 5s D) 4d
A) S B) Na C) Si
A) magnesium B) nitrogen C) oxygen D) aluminum
A) 0.56x10-24atoms B) 18.3atoms C) 2.05atoms D) 2.05x1024atoms
A) 185.92mol B) 36.4x1023 mol C) 0.37mol D) 2.70mol
A) 0.041grams B) 117grams C) 222grams D) 24.67grams
A) Al2Cl3 B) AlCl3 C) Al2Cl D) AlCl2
A) composition B) single-replacement C) combustion D) decomposition
A) single-replacement B) combustion C) composition D) double-replacement
A) __,3,__,3 B) balanced C) 3,__,__,3 D) __,3,3,__
A) reactants B) subscripts C) products D) coefficients
A) 138.7grams B) 65.6grams C) 52.0grams D) 39.6grams
A) Li=+1 O=-1 B) Li=+2 O=-2 C) Li=+1 O=-2 D) Li=+2 O=-1
A) 120 g/mol B) 120 amu C) 76 amu D) 76 g/mol
A) 20% B) 11% C) 2% D) 89%
A) 36 amu B) 74 amu C) 74 g/mol D) 36 g/mol
A) single-displacement B) decomposition C) double-displacement D) synthesis E) combustion
A) decompostion B) double-displacement C) synthesis D) combustion E) single-displacement
A) double-displacement B) combustion C) decompostion D) synthesis E) single-displacement
A) single-displacement B) double-displacement C) synthesis D) combustion E) decomposition
A) decomposition B) synthesis C) single-displacement D) double-displacement E) combustion
A) atm B) oC C) L D) K
A) K B) atm C) torr D) L
A) 395cm3 B) 13976cm3 C) 0.001cm3 D) 0.047cm3
A) 706mmHg B) 1200mmHg C) 805mmHg D) 1071mmHg
A) 105.3K B) 855K C) 303K D) 581K
A) 352K B) 500K C) 206K D) 421K
A) 32atm B) 49atm C) 15atm D) 18.9atm
A) Divide by 273 B) Multiply by 273 C) Add 273 D) Subtract 273
A) 101.325kPa B) 760 torr C) All of these D) 1atm
A) Two of the above B) oC C) L D) K
A) research B) organizing data C) communicating results D) experimentation
A) music B) sunlight C) water D) growth
A) growth B) music C) water D) sunlight
A) 8.6 B) 86000 C) 0.86 D) 860
A) heterogeneous mixture B) compound C) homegeneous mixture D) element
A) air B) salt water C) hydrogen D) two of these
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) physical property B) chemical property
A) physical change B) chemical change
A) physical change B) chemical change
A) alkali metals B) halogens C) transition metals D) noble gases
A) alphabetically B) by atomic number C) by date of discovery D) by atomic mass
A) Millikan B) Thomson C) Rutherford
A) Thomson B) Millikan C) Rutherford
A) 6 B) 7 C) 8 D) 9
A) Not enough information B) it depends on the mass C) 6.02x1023
A) 1s22s22p6 B) 1s22s22p5 C) 1s12s22p5 D) 1s12s12p6
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Kr]5s2 C) [Ar] 4s2 D) [Ar]5s2
A) increases B) decreases
A) increases B) decreases
A) 4 B) 6 C) 12 D) 3
A) ionic B) metallic C) covalent D) special
A) ionic B) metallic C) special D) covalent
A) MgS B) MgS4 C) MgS2 D) Mg2S
A) CCl4 B) CCl2 C) CCl3 D) CCl
A) iron dichloride B) iron chloride C) iron (IV) chloride D) iron (II) chloride
A) nitrogen hexachloride B) nitrogen chloride C) nitrogen (III)chloride D) trinitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) charge B) how much it weighs C) number of atoms D) nothing
A) transition metals B) 4A C) two of these D) groups 1A,2A,3A and 4A
A) __,3,3,__ B) __,__,__,__ C) 3,__,__,3 D) __,3,__,3
A) __,2,__,2 B) __2,2,__ C) __,__,__,__ D) 2,__,2,__
A) multipliers B) coefficients C) dividers D) subscripts
A) metalloids B) metals C) nonmetals
A) total protons B) valence electrons C) total neutrons D) total electrons
A) Cr2Cl2 B) CrCl C) CrCl2 D) Cr2Cl
A) NaOH B) HF C) NaCl D) HCl
A) 25 B) 12.5g C) 50 D) 0g
A) bases B) neutral C) acids
A) Ms. Watson B) ... C) ... |