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