Which of the following electron configurations for neutral atoms is correct? Li nitrogen: 1s 2, 2s 2, 2p 3 the third sub-level silicon: 1s 2, 2s 2, 3s 2, 2p 6 3p 2 helium: 1s 1, 1p 1

Which sentence describes the bond formed between two identical atoms? O A. One atom has donated an electron to another. O B. The electrons involved in the bond are shared equally between the atoms. C.

What volume (in liters) does 2.895 moles of oxygen occupy at stp?

A sample of gas in a balloon has an initial temperature of 37C and a volume of 1560 L. If the temperature changes to 82C, and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas? in liters?

What is the measurement 1042 L rounded off to two signicant digits?

Which has more inertia: a kilogram of cotton balls or a kilogram of gold?

If the hydrogen ion concentration is 10-7M, what is the pH of the solution? Show all work.

When it is raining water is returning to earth as a water cycle stage called

How many moles are in 1.50 grams of ethanol, CH3CH2OH?

Based on the information in the graph, which statement best applies to a gas?

Which of the following is a scientific question about the cuttlefish? O A. How does the cuttlefish change its colors? O B. Are cuttlefish better than other kinds of fish? O C. How did the cuttlefish get its name? O D.