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