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