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