A) 0.014 g/cm3 B) 14.28g/cm3 C) 14,000 g/cm3 D) 0.014g
A) somewhat spread apart with little movement B) very far apart and feely moving C) somewhat spread apart with almost not movement 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) 4d B) 4p C) 3d D) 5s
A) Si B) S C) Na
A) magnesium B) nitrogen C) oxygen D) aluminum
A) 18.3atoms B) 2.05x1024atoms C) 2.05atoms D) 0.56x10-24atoms
A) 2.70mol B) 0.37mol C) 185.92mol D) 36.4x1023 mol
A) 222grams B) 24.67grams C) 0.041grams D) 117grams
A) Al2Cl B) Al2Cl3 C) AlCl2 D) AlCl3
A) combustion B) single-replacement C) decomposition D) composition
A) combustion B) composition C) double-replacement D) single-replacement
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=+1 O=-1 B) Li=+1 O=-2 C) Li=+2 O=-1 D) Li=+2 O=-2
A) 120 amu B) 120 g/mol C) 76 amu D) 76 g/mol
A) 11% B) 89% C) 20% D) 2%
A) 36 amu B) 74 g/mol C) 36 g/mol D) 74 amu
A) decomposition B) combustion C) synthesis D) double-displacement E) single-displacement
A) synthesis B) single-displacement C) double-displacement D) combustion E) decompostion
A) single-displacement B) decompostion C) combustion D) double-displacement E) synthesis
A) combustion B) synthesis C) single-displacement D) decomposition E) double-displacement
A) synthesis B) single-displacement C) double-displacement D) decomposition E) combustion
A) oC B) L C) K D) atm
A) L B) atm C) K D) torr
A) 0.047cm3 B) 395cm3 C) 0.001cm3 D) 13976cm3
A) 805mmHg B) 1071mmHg C) 706mmHg D) 1200mmHg
A) 581K B) 105.3K C) 855K D) 303K
A) 352K B) 206K C) 421K D) 500K
A) 49atm B) 32atm C) 18.9atm D) 15atm
A) Add 273 B) Multiply by 273 C) Subtract 273 D) Divide by 273
A) 760 torr B) All of these C) 1atm D) 101.325kPa
A) oC B) Two of the above C) K D) L
A) experimentation B) communicating results C) organizing data D) research
A) sunlight B) music C) growth D) water
A) water B) music C) sunlight D) growth
A) 860 B) 8.6 C) 0.86 D) 86000
A) homegeneous mixture B) element C) compound D) heterogeneous mixture
A) air B) hydrogen C) salt water D) two of these
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) chemical property B) physical property
A) chemical change B) physical change
A) physical change B) chemical change
A) noble gases B) halogens C) alkali metals D) transition metals
A) by atomic mass B) alphabetically C) by date of discovery D) by atomic number
A) Millikan B) Rutherford C) Thomson
A) Thomson B) Millikan C) Rutherford
A) 7 B) 6 C) 9 D) 8
A) it depends on the mass B) Not enough information C) 6.02x1023
A) 1s22s22p6 B) 1s12s22p5 C) 1s12s12p6 D) 1s22s22p5
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Kr]5s2 C) [Ar] 4s2 D) [Ar]5s2
A) increases B) decreases
A) decreases B) increases
A) 4 B) 3 C) 6 D) 12
A) covalent B) special C) ionic D) metallic
A) metallic B) special C) ionic D) covalent
A) Mg2S B) MgS4 C) MgS2 D) MgS
A) CCl4 B) CCl C) CCl3 D) CCl2
A) iron chloride B) iron (II) chloride C) iron dichloride D) iron (IV) chloride
A) trinitrogen hexachloride B) nitrogen chloride C) nitrogen hexachloride D) nitrogen (III)chloride
A) shares electrons B) donates/accepts electrons
A) how much it weighs B) charge C) number of atoms D) nothing
A) two of these B) 4A C) groups 1A,2A,3A and 4A D) transition metals
A) __,3,__,3 B) 3,__,__,3 C) __,__,__,__ D) __,3,3,__
A) __,__,__,__ B) 2,__,2,__ C) __,2,__,2 D) __2,2,__
A) subscripts B) multipliers C) coefficients D) dividers
A) nonmetals B) metals C) metalloids
A) total neutrons B) valence electrons C) total protons D) total electrons
A) Cr2Cl2 B) Cr2Cl C) CrCl D) CrCl2
A) HF B) NaOH C) NaCl D) HCl
A) 0g B) 50 C) 25 D) 12.5g
A) neutral B) acids C) bases
A) ... B) Ms. Watson C) ... |