Explain how fossils and other materials can tell us about the conditions of an area at the time it existed.

Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of MgSO3 and HI are mixed. Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of MgSO3 and HI are mixed.

Based on its electron configuration which element will most likely gain electrons from another element when forming an ionic compound? Potassium, Vanadium, Iodine, Xenon

Name at least four other gases in the atmosphere besides oxygen and nitrogen

Which of the following is a possible set of quantum numbers for an electron n, l, m subscript l, m subscript? (1, 0, 0, + 1) (2, 2, 1, + ½) (4, - 3, 0, - ½) (3, 2, 1, - ½)

What is the meaning of pseudopod? A. true foot B. true hand C. false foot D. false hand

Extend E1 Explain why the arrangement, movement and energy of particles change during changes of state.

What is in a banana? give me specifics?!

Addition of an excess of lead (II) nitrate to a 50.0mL solution of magnesium chloride caused a formation of 7.35g of lead (II) chloride precipitate. What was the molar concentration of chloride ions in the solution (in mol/L) ?

2.70 L of a gas has a pressure of 0.63 atm. What is the volume of the gas at 105 kPa?

Which statements describe Rutherford's model of the atom? Select all that apply.