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