Chemistry Final Exam Review 1

The lease electronegative elements are the

• halogens

• alkaline earth metals

• alkali metals

• metalloids

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Which of the following is a nonmetal?

• calcium

• iron

• hydrogen

• potassium

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In ionic bonds, valence electrons are:

• equally shared

• transferred

• destroyed

• unequally shared

For the lewis structure of CH₄ how many unshared electron pairs surround the carbon?

• 0

• 2

• 4

• 8

Put the types of radioactive decay in order from least to most penetrating to human tissue

• gamma, beta, alpha

• beta, gamma, alpha

• gamma, alpha, beta

• alpha, beta, gamma

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Which will have the biggest ionization energy?

• carbon

• beryllium

• boron

• lithium

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The mass number of an atom is determined by

• adding the neutrons and electrons

• the number of protons only

• adding protons and electrons

• adding the neutrons and protons

When compared to single bonds, double bonds are generally

• longer and weaker

• shorter and weaker

• longer and stronger

• shorter and stronger

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How many neutrons are there in an atom of hydrogen-3?

• 0

• 2

• 3

• 1

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which of the following elements is a transition metal?

• iron

• iodine

• germanium

• potassium

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