I have lungs but no legs. My offspring are found in membranous-shelled eggs and use lungs to breathe.

If element X has 56 protons, how many electrons does it have? electrons

The grooves or folds of the brain are called

What is the chemical formula for the compound formed between strontium and oxygen?

The molecular weight of acetic acid is

On any given night, provided that the sky is clear, all of the planets which can be seen with the naked eye will not be visible at the same time. This is because they all have different A) moons B) orbits C) shapes D) sizes

What is the molar mass of 37.96 g of gas exerting a pressure of 3.29 on the walls of a 4.60 L container at 375 K?

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO? A. the mass B. the volume C. the number of molecules D. the number of oxygen atoms

List three quantum numbers you know

Electronegativities of the elements Na, Al, P, and Cl follow a specific trend across the period. Based on this trend, an electron will be most strongly attracted to A) Na / B) Al / C) P / D) Cl.

Compare and contrast of cotton balls and pine cone