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