A) 0.014 g/cm3 B) 14.28g/cm3 C) 0.014g D) 14,000 g/cm3
A) somewhat spread apart with little movement B) very close together and freely moving C) very far apart and feely moving D) somewhat spread apart with almost not movement
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) 4d B) 4p C) 5s D) 3d
A) Si B) S C) Na
A) oxygen B) aluminum C) magnesium D) nitrogen
A) 2.05atoms B) 18.3atoms C) 2.05x1024atoms D) 0.56x10-24atoms
A) 0.37mol B) 2.70mol C) 36.4x1023 mol D) 185.92mol
A) 222grams B) 117grams C) 0.041grams D) 24.67grams
A) Al2Cl3 B) AlCl3 C) Al2Cl D) AlCl2
A) decomposition B) composition C) combustion D) single-replacement
A) single-replacement B) double-replacement C) combustion D) composition
A) balanced B) __,3,__,3 C) __,3,3,__ D) 3,__,__,3
A) products B) coefficients C) reactants D) subscripts
A) 52.0grams B) 39.6grams C) 138.7grams D) 65.6grams
A) Li=+1 O=-1 B) Li=+1 O=-2 C) Li=+2 O=-2 D) Li=+2 O=-1
A) 76 g/mol B) 76 amu C) 120 g/mol D) 120 amu
A) 20% B) 11% C) 89% D) 2%
A) 36 g/mol B) 74 g/mol C) 74 amu D) 36 amu
A) single-displacement B) synthesis C) double-displacement D) combustion E) decomposition
A) combustion B) double-displacement C) decompostion D) single-displacement E) synthesis
A) single-displacement B) synthesis C) combustion D) decompostion E) double-displacement
A) single-displacement B) decomposition C) double-displacement D) combustion E) synthesis
A) double-displacement B) combustion C) decomposition D) synthesis E) single-displacement
A) atm B) K C) oC D) L
A) atm B) torr C) L D) K
A) 13976cm3 B) 395cm3 C) 0.001cm3 D) 0.047cm3
A) 1200mmHg B) 706mmHg C) 805mmHg D) 1071mmHg
A) 105.3K B) 581K C) 303K D) 855K
A) 421K B) 352K C) 206K D) 500K
A) 49atm B) 18.9atm C) 15atm D) 32atm
A) Add 273 B) Subtract 273 C) Multiply by 273 D) Divide by 273
A) All of these B) 101.325kPa C) 1atm D) 760 torr
A) K B) Two of the above C) L D) oC
A) research B) communicating results C) organizing data D) experimentation
A) music B) water C) growth D) sunlight
A) music B) sunlight C) water D) growth
A) 860 B) 8.6 C) 86000 D) 0.86
A) compound B) homegeneous mixture C) element D) heterogeneous mixture
A) hydrogen B) salt water C) air D) two of these
A) maintain seperate identities B) none of these C) combine to form new substances D) are hard to pick out
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) halogens C) noble gases D) transition metals
A) by date of discovery B) alphabetically C) by atomic number D) by atomic mass
A) Thomson B) Rutherford C) Millikan
A) Millikan B) Rutherford C) Thomson
A) 8 B) 9 C) 7 D) 6
A) it depends on the mass B) Not enough information C) 6.02x1023
A) 1s22s22p5 B) 1s22s22p6 C) 1s12s12p6 D) 1s12s22p5
A) [Kr]5s2 B) [Ar]5s2 C) [Ar] 4s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) increases B) decreases
A) decreases B) increases
A) 6 B) 3 C) 4 D) 12
A) metallic B) special C) ionic D) covalent
A) covalent B) ionic C) metallic D) special
A) MgS4 B) Mg2S C) MgS2 D) MgS
A) CCl3 B) CCl C) CCl2 D) CCl4
A) iron dichloride B) iron chloride C) iron (II) chloride 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) how much it weighs B) nothing C) number of atoms D) charge
A) two of these B) groups 1A,2A,3A and 4A C) transition metals D) 4A
A) __,3,3,__ B) 3,__,__,3 C) __,__,__,__ D) __,3,__,3
A) __,2,__,2 B) __2,2,__ C) 2,__,2,__ D) __,__,__,__
A) coefficients B) multipliers C) dividers D) subscripts
A) metalloids B) metals C) nonmetals
A) valence electrons B) total protons C) total neutrons D) total electrons
A) CrCl2 B) Cr2Cl C) Cr2Cl2 D) CrCl
A) HF B) NaCl C) NaOH D) HCl
A) 50 B) 12.5g C) 25 D) 0g
A) acids B) bases C) neutral
A) Ms. Watson B) ... C) ... |