A small cup of water is left out on the counter. Three days later, the water is gone. Which phase change describes what has occurred?

Melting

Sublimation

Evaporation

Condensation

50 grams of sodium chloride is dissolved in a liter of water. identify the solute in this process. your answer

What is the ionic charge for selenium

Atoms of different elements can combine chemically to form compounds. Which of the following elements would be most likely to form a compound bound tightly together with covalent bonding? A.

A fault in which the rocks on either side of the fault moves side of the fault move sideways past each other is a

Explain some of the benefits of biotechnology

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?

Why do covalent bonds not involve the transfer of electrons