An instrument that allows you to look closely at objects that are invisible to the human eye, including cells

Ionic formula for chromuim 3 fluoride

Which statement is true a. all mixtures are solutions b. all mixtures are acidic c. all solutions are mixtures d. all solutions are alkalizing

Which of the following elements would be predicted to be the best conductor of electricity?

How many kilojoules are required to heat 0.500 g of water from 20.3 degrees Celcius to 29.7 degrees Celcius? How many Calories? Show your work and watch sig figs.

A 10 gram sample of water is heated to 105 ℃ and is mixed with a 25 gram sample of water cooled to 25℃. What is the final temperature of the water mixture?

How many grams of sodium ions are in na2so4?

Electron configuration for iron?

Explain how melting is considered endothermic

In the process of covalent bonding, atoms share electrons. This means that * a) Electrons from each atom are attracted to the nucleus of both atoms b) Protons and neutrons attract c) Atoms lose electrons and become ions d) Atoms gain electrons and

Give the full atomic symbol for an atom that has 30 neutrons and an atomic number of 25