What is a cell?

1. the basic unit of atoms

2. the basic unit of structure and function in living organisms

3. the basic unit of molecules

4. the basic unit of life that eats and breathes for organisms

Ionic bonding would most likely occur between which two elements?

Calorimeter containing 1000 grans of water the initial temperature of water is 24.85 degrees. the heat of water is 4.184 j/g degrees the heat capacity of the calorimeter is 695 j / c after the reaction the final temperature of the water is 35.

White light, which consists of all frequencies, forms which type of spectrum?

What orbitals are used to form each bond in methanol, ch3oh? be sure to answer all parts?

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? A. simultaneous observation B. polarization C. fluorescence D. higher magnification

1. What hypothesis could you propose about the relationship between the position of a type of atom in a molecule and the number of bonds that the atom forms? Explain your thinking.

The molality of a solution is a measure of - A - moles of solute per kilogram of solution B - moles of solute per liter of solution C - moles of solute per kilogram of solvent D - moles of solute per liter of solvent

Which technology has allowed for exploration beyond our solar system? A) space probe B) space station C) space shuttle D) space observatory

Which carbonate is most stable to heat? A. Sodium carbonate B. Copper (ii) carbonate C. Zinc carbonate

How many liters of 0.75 M solution can be made using. 336 moles of lead (II) oxide?