Which part of an experiment do scientists change the independent or dependent variable?

Which milligram quantity contains a total of four significant figures A) 3,100 B) 30,001 C) 3,010 D) 0.3010

The process by which DNA makes a complete copy of itself is called? A) Duplication B) Development C) Transcription D) Replication

A certain hydrocarbon was found to contain only 18g of carbon and 4g of hydrogen in a 22g sample. Determine its Empirical formula

Calculate the molality of a 1.06 M sucrose, C12H22O11, with a density of 1.14 g/mL. For sucrose, mol. wt.

Some characteristics of each of the four states of matter are given in the table below. States of Matter State Are Particles Charged? Space Between Particles 1 No Very Low 2 Yes High 3 No High 4 No Low Which state of matter does State 4 represent? A.

Why do you think the transition metals are 10 columns wide?

What is released when a election returns to a lower state of energy

Which of the following elements has its highest energy electrons in an "s" atomic orbital? radiium (Ra) neon (Ne) aluminum (Al) lanthanum (La)

About how long does it take for the Sun to make one rotation on its axis?

Does a physical change affect the identity of a substance