Midterm Review: The Atom & Bonding

Which subatomic particles are found in the nucleus of an atom? (select all that apply)

• protons

• neutrons

• electrons

• megatrons

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Which subatomic particle is most important for chemical bonding?

• protons

• neutrons

• electrons

• decepticons

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The atomic mass of an atom with 13 protons, 12 electrons, and 17 neutrons is

• 30

• 25

• 29

• 13

How many covalent bonds can an atom of Boron form? (Boron has an atomic number of 5)

• 1

• 2

• 3

• 4

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What two atoms with a large difference in electronegativity share electrons they form a

• polar covalent bond

• nonpolar covalent bond

• polar ionic bond

• nonpolar ionic bond

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Which type of bond results in the formation of a molecule

• covalent

• ionic

• hydrogen

• government

What kind of bond is forming in the picture

• ionic

• covalent

• hydrogen

• van der waals

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An atom that has gained 2 electrons has a charge of

• +1

• +2

• -1

• -2

Isotopes of an element have the

• same number of protons, but a different number of neutrons

• same number of protons, but a different number of electrons

• same number of electrons, but a different number of protons

• same number of neutrons, but a different number of protons

An atom with a high electronegativity has a

• strong pull on electrons

• weak pull on electrons

• aversion to electrons

• no reaction to electrons