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College of DuPage BIOLO 1151 Chapter 2: 1)An element with an atomic number of eight would have a

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College of DuPage

BIOLO 1151

Chapter 2:

1)An element with an atomic number of eight would have

a.            Four protons and four neutrons

b.            Four electrons and four protons

c.             Eight protons

d.            Four neutrons and four electrons

2.            A cation has a positive charge

a.            True

b.            False

3.            The primary contributors to atomic mass are

a.            Electrons and protons

b.            Protons and neutrons

c.             Electrons and neutrons

d.            They all contribute about to the same mass of an element

4.            The number of paired electrons determines how many bonds an element can form

a.            True

b.            False

5.            Which of the following lists the bonds in proper order from strongest to weakest (left to right)

a.            Non-polar covalent, polar covalent, ionic, hydrogen

b.            Hydrogen, ionic, polar covalent, non-polar covalent

c.             Ionic, polar, non-polar, hydrogen

d.            None are correct

6.            An ion is formed when

a.            The number of protons and neutrons differ

b.            The number of neutrons and electrons differ

c.             The number of protons and electrons differ

d.            More than one of the above

7.            An element with 16 electrons would form how many bonds?

a.            4

b.            6

c.             2

d.            8

8.            An element with 6 total electrons would form how many bonds?

a.            2

b.            4

c.             6

d.            1

9.            Neutrons have a positive charge while electrons have a negative charge

a.            True

b.            False

10.          Protons are found in the nucleus while neutrons are found orbiting around the nucleus