What is the charge on an ion that contains 16 protons and 18 electrons?

2. Spaghetti takes about 9 minutes to cook at sea level, but about 14 minutes in the mountains. Why do you think this is so?

What is the molecular shape of SCl2?

Describe three properties of a frozen fruit bar, including its state of matter.

Electron configurations are like an address because?

According to the law of conservation of matter, which chemical equation represents a possible chemical reaction? a. 2na cl2 nacl b. h2o2 h2o o2 c. 6co2 h2o energy c6h12o6 6o2 d. c2h4o2 nahco3 nac2h3o2 h2o co2

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.) ?