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