In a laboratory activity, the density of a sample of vanadium is determined to be 6.9 g/cm3 at room temperature. What is the percent error for the determined value? * 0.15% 0.87% 13% 15%

The most loosely held electrons in an atom are called a. unstable electrons. b. covalent electrons. c. valence electrons. d. low-energy electrons.

An imaginary gas that perfectly obeys all gas laws is called a (n) ___. a) ionic gas b) perfect gas c) ideal gas d) inert gas

When wood burns in the presence of oxygen, in what from is energy released? A. Water Vapor B. Hydrogen C. Heat and Light D. More oxygen

What is the birds and the bees

Which stament best describes a solution

How does erucamide make substances scratch resistant?

Melting butter is a physical change. Which best describes what is happening? The butter changes into a different substance. The butter contains a new arrangement of atoms. The butter cannot turn into a solid again.

Which of these is used to extract soldium? a) Down's process b) Castner-kellener's process c) Kellener-Solvay's process d) Solvay's process

Are gas planets less dense or more dense?

What's the proper method of diluting an acid?