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