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