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Questions in chemistry

[Open]What are three forms that acid precipitation can take?

[Open]What are the three subatomic particles that make up atoms?

[Open]A carbon-based compound is considered a ___________.

[Open]When two atoms combine by sharing electrons, it is a(n) _____ bond. A) Ionic B) Covalent

[Open]What are two ways in which mixtures differ from compounds?

[Open]Determine the average atomic mass of helium, which has two isotopes with atomic masses of 4.0026 amu and 3.0160 amu. The relative abundance of the isotopes is 99.9999% and 0.0001%, respectively.

[Open]Suppose a large atom bonds with a small atom. Will the properties of the new molecule be the same as the large atom, the small atom, or different from both?

[Open]What is the mass of a computer?

[Open]Under identical conditions of temperature and pressure, which of the following gases is the densest: Ne, CO2, or Cl2?

[Open]Use Lewis diagrams to show how electrons are shared to form covalent bonds in compounds with the following atoms. Write the formulas. a) Two hydrogen atoms attached to a carbon atom that also has one oxygen atom attached to it.