Is hydrogen and sulfur ionic or covalent

Which of the following bond types is normally the weakest? A. Covalent B. Ionic C. Metallic D. They are all equally strong or weak

When 25.0 ml of 0.500 m h2so4 is added to 25.0 ml of 1.00 m koh in a coffee-cup calorimeter at 23.50°c, the temperature rises to 30.17°c. calculate h of this reaction per mole of koh.

4. Methods scientists use to determine if a change was physical or chemical

Example of false solutions and true solutions

Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen differ.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda