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