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