What is tantalum's electron configuration?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

Draw the lewis dot structure for each of the following polyatomic ions