If a sample of matter cannot be separated by physical means, what can be said with certainty about that sample?

A It is a pure substance.

B It is an element.

C It is a compound.

D It is a mixture.

During normal miotic cell divison, a parent cell that has four chromosomes will produce two daughter cells each containing what

1. After clamping a buret to a ring stand, you notice that the set-up is tippy and unstable. What should you do to stabilize the set-up? A. Move the buret clamp to a ring stand with a larger base. B.

1. What volume will 0.710 moles of nitrogen gas occupy at STP? A. 15.904 L B. 31.594 L C. 0.0317 L 2. How many liters will 0.225 moles of hydrogen chloride gas occupy at STP? A. 99.556 L B. 5.04 L C. 0.010 L 3.

What is a proper adjective?

Arrange the following measurements, in seconds, from the greatest bias to the least bias. 6.63 ± 0.01 s, 6.6 ± 0.1 s, 6.52 ± 0.05 s, 6.4 ± 0.5 s

Describe the attraction between 2 atoms as a result of sharing electrons

I need to know about mitosis and meiosis

What is sediment and debris, and what role does it play in the way sedimentary rock forms?

How do I convert 4,500mm to a m

A substance that permits the flow of electrons is a (n a. conductor b. insulator