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