The smallest unit that retains the properties of an element is aan)

atom

O molecule

proton

O compound

neutron

O electron

What is the mass of 0.75 moles of (NH4) 3PO4?

An industrial chemist introduces 8.1 atm h2 and 8.1 atm co2 into a 1.00-l container at 25.0°c and then raises the temperature to 700.0°c, at which keq = 0.

A saturated solution of NaNO3 is prepared at 60.°C using 100. grams of water. As this solution is cooled to 10.°C, NaNO3 precipitates (settles) out of the solution. The resulting solution is saturated.

How do you overcome or reduce the problem of random error and systematic error while doing experiment

A sports car and a fully loaded semi truck pull side by side at a red light. Using your knowledge of acceleration, predict which will accelerate faster when the traffic light turns green. Cite reasons for your answer.

Which microscope came out first

Which exerts greater pressure on the floor-standing flat-footed or standing on tiptoe? on tiptoe, because the force acts over less area on tiptoe, because the force acts over more area flat-footed, because the force acts over more area flat-footed,

1. Sara tells Michael she is 160 centimeters tall, while Michael says he is 60 inches tall. If there are 2.54 centimeters in an inch, who is taller

How do you tell if a compound is polar or non polar

What two ions are central to the arrhenius definitions of acids and bases?