Can atoms change identity during a chemical reaction

Which is the formula mass of (NH4) 2SO4

Which state of matter takes the shape of its container (solids, liquids, gases,).

How do weather affect the rock

Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be. What is the independent and dependent variable

What is the specific heat of a substance if 1560 cal are required to raise temperature of a 312 g substance by 15 degrees celsius?

What are the basic building blocks of matter? A) molecules B) atoms C) electrons D) compounds

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?