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