How come Sulfur have more than 8 electrons in its valence?

What volume change occurs to a 400.0 mL gas sample as the temperature increases from 22.0 °C to 30.0°C?

A container holds 50.0ml of nitrogen at 25°c and a pressure of 736 mm hg. What will be it's volume if the temperature increases by 35°c.

A compound is 69.9% iron and 30.1% oxygen by mass. how much iron could by obtained from 5.41 grams of the compound?

What is the name for S3I2?

Write an equation for the reaction of hydrogen chloride and sodium sulfide to produce hydrogen sulfide with sodium chloride. 1. Show the formulas of the reactants 2. Show the formulas of the products. 3. Write the balanced equation for this reaction

Which statement correctly describes the interaction between magnetic poles? North and south poles attract each other. North and south poles repel each other. Two north poles will attract each other. Two south poles will attract each other.

You are measuring the mass of various shapes objecys and identifying their shaped ypu then record the qualitative and quanatitave data in a table is qualitataive wnd which is quatitaive

A positively charged wire is attracted to a negatively charged piece of metal. What force causes this?

Two identical atoms from Area B bond together. What type of bond will they most likely form A. Electrostatic B. Metallic C. Ionic D. Covalent

Which would be the best way to represent the concentration of a 1.75 M K2CrO4 solution? 1.75% K2CrO4 [K2CrO4] (K2CrO4) K2CrO4, [M] = 1.75