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