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