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In the following picture of an oxide,darkly-shaded spheres represent oxygen atoms or ions and lightly-shaded spheres represent atoms or ions of a second-row element in its highest oxidation state.Tell whether the oxide is covalent or ionic and whether the oxide is expected to be a gas (or a liquid) or a high-melting solid.
Evaluate
To assess or examine something thoroughly in order to determine its value or worth.
Fraction
A numerical quantity that is not a whole number, represented by two numbers divided by a line, indicating parts of a whole.
Exponentiation
mathematical operation involving two numbers, where one number is raised to the power of another.
Addition
A mathematical operation that represents the total sum of two or more numbers.
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