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