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