What is the 30th element on the periodic table

Hydrogen bonding occurs in molecules when a

Explain at an atomic or molecular level what happens when water freezes to form ice

What is the formula of silicon (IV) oxide?

Do x-rays travel slower than infrared

Hypothermic body temperature can range from 28.7 °C to 35.5 °C. What is this range in degrees Fahrenheit?

Is material that has a density of 0.2g/ml good for building a bridge or for making couch cushions

A solution of potassium cyanide, KCN, is made by dissolving 3.2 g of KCN in water. When this solution reacts with excess hydrochloric acid, HCl, it produces 0.30 g of poisonous hydrogen cyanide gas, HCN.

When carbon undergoes sp2 hybridization it forms

Give the formula for molarity

A 54-gram sample of an unknown material has a volume equal to 20 cm3. Based on its density, could the sample be aluminum? Explain