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