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