Within a particular compound, an atom gives up two electrons. This atom is

A. part of a covalent compound.

B. positively charged.

C. negatively charged.

D. not part of an electrolyte.

Balance 2Mg + O2 = 2MgO

What is the percent composition by mass of nitrogen in (NH4) 2CO3 (gram-formula mass = 96.0 g/mol) ? (1) 14.6% (2) 29.2% (3) 58.4% (4) 87.5%

You decide to make a salad for dinner. You have lettuce, tomatoes, olives, onions, cheese, and of course your favorite salad dressing. All the ingredients are in different ratios. A tossed salad is an example of what type of mixture?

What is the percent b mass of chlorine in NaCl

Describe how lithium atoms are bonded together in the solid.

How to solve determine the final temperature when 450.2 grams of aluminum at 95.2°c is placed in an insulated calorimeter with 60.0 grams of water at 10.0°c?

Which of the following is true about a scientific hypothesis? A. The hypothesis must form a scientific theory. B. The hypothesis must be testable. C. The hypothesis must predict the outcome of the experiment. D.

Convert 1.76 um to inches

Why is lewis electron-dot diagrams more suitable than electron-shell diagrams illustrating chemical bonds

What mass of sodium benzoate should be added to 150.0 ml of a 0.15 m benzoic acid solution in order to obtain a buffer with a ph of 4.25? (assume no volume change.) ?