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