a) palladium b) phosphorus c) platinum d) plutonium
a) nitrogen b) neptunium c) nickel d) niobium
a) boron b) barium c) beryllium d) bromine
a) carbon b) californium c) calcium d) cadmium
a) mercury b) sodium c) hydrogen d) silver e) none of the above
a) mercury b) argon c) potassium d) silver e) none of the above
a) arsenic b) sodium c) antimony d) silver
a) tin b) iron c) lead d) fermium
a) kinetic energy increase and velocity decreases b) kinetic energy decrease and velocity increases c) kinetic energy and velocity increase d) kinetic energy and velocity decrease
a) the substance has a variable shape b) the substance has a variable volume c) particles have unrestricted movement d) particles have a disordered arrangement e) all of the above
a) atomic number b) atomic notation c) chemical formula d) chemical symbol e) none of the above
a) compound b) element c) homogeneous d) matter e) none of the above
a) compound b) heterogeneous mixture c) homogeneous mixture d) pure substances e) none of the above
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