Each known element? be broken down into any simpler substances.

The density of titanium is 4.51 g/cm^3. what is the volume (in cubic inches) of 3.5 lb of titanium?

The atomic orbitals of two bromine atoms combine to form the diatomic Br2 molecule. Use the periodic table to determine the atomic orbitals that overlap to form the Br2 molecule and the symbol of the noble gas that has the same electron

What are valence electrons? how many of a magnesium atom's 12 electrons are valence electrons?

What is the molarity of a solution prepared by dissolving 27.2 g of sodium chloride in enough water to prepare 500.0 ml of solution?

A gas in a balloon at constant pressure has a volume of 185 mL at - 125*C. What is it's volume at 31.0*C? Show all work including what equation or gas law you use.

How many atoms of gold (Au) are present in a sample of 2.5 mol Au? A. 1.5 * 1024 atoms Au B. 1.5 * 1023 atoms Au C. 4.2 * 1024 atoms Au D. 4.2 * 1023 atoms Au

what might cause the goldfish population to drop if the temperature moves out of its normal range? Name three things

Why must a chemistry experiments performed in a well ventilated room?

What kind of chemical bond does salt have?

How does phosphorus enter the human body?