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