A 12 foot ladder is leaning against a building. The ladder makes a 45 degree angle with the building. How far up the building does the ladder reach?

Which liquid is the most vicious? A. Syrup B. Water C. Milk D. Apple juice

What causes effervescence?

What does the rate of a chemical reaction describe?

Why does on emole of carbon have a smaller mass than one mole of sulfur? how are the atomic structures of these elements different?

How is the periodic table structured with regard to elements with similar properties?

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons