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3 years ago

an ionic compound is typically made of a. two metals. b. two nonmetals. c. a metal and a nonmetal. d. none of the above.

Chemistry

2 answers:

kirill115 [55]3 years ago

6 0

C. a metal and a nonmetal

sesenic [268]3 years ago

4 0

Answer:. c. a metal and a nonmetal.

Explanation:

A covalent compound is formed when an element shares its valence electron with another element. This bond is formed between two non metals. Example: $F_2$

An ionic compound is formed when one element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal. Example: $NaCl$

Thus an ionic compound is typically made of a metal and a nonmetal.

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Explanation:

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3 years ago

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DedPeter [7]

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Explanation:

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3 years ago

What is the term for the amount of energy that is needed for a chemical reaction to occur?

cupoosta [38]

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3 years ago

Ergosterol, a precursor of vitamin D, has δmax = 282 nm and molar absorptivity ε = 11,900 M-1cm-1. What is the concentration of

meriva

Answer:

3.6 × 10⁻⁵ M

Explanation:

Ergosterol has a maximum absorbance at λ = 282 nm. The absorbance of an analyte is related to its concentration through the Beer-Lambert's law.

A = ε × l × c

where,

A: absorbance

ε: molar absorptivity

l: optical path length

c; molar concentration

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3 years ago