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