A neutral atom has the same number of protons as it does neutrons true or false

Calculate the mass of water formed from the complete combustion of 5.10 g of methane, ch4, in the reaction ch4 (g) + 2 o2 (g) - - > co2 (g) + 2 h2o (g).

What is the smallest particle in which covalent bonds can be divided.

Round 65.145 meters to 4 significant figures

Minerals are very useful to us. Which of the following is a false statement? A. Pyrite is an ore of gold and is used in jewelry making. B. Cobalt is not used in medicine. C. Quartz is used to make glass. D. Quartz is used to make glass.

And Endothermic reaction is ...

Which category does the ion PO43 - belong to? A. monatomic cation B. monatomic anion C. polyatomic anion D. polyatomic cation E. monatomic ion

What is the total number of oxygen atoms represented in the formula na2c03.10h2o?

Atoms of metallic elements tend to A) gain electrons and form negative ions B) gain electrons and form positive ions C) lose electrons and form negative ions D) lose electrons and form positive ions

Only a small amount of the energy used in an incandescent light bulb (regular bulbs commonly used in households) is actually converted into light.

Suppose we want to charge a flask with 1.9 g of sugar. We put the empty flask on a balance and it is determined to weigh 450 g. Enter the weight we would expect to see on the balance when we're done adding the sugar.