Unit 8 Elements of the Periodic Table Quiz

How many protons are in an atom of Chlorine?

• 17

• 18

• 35

How many electrons are in a stable atom of Chlorine?

• 17

• 18

• 35

How many neutrons are in an atom of Chlorine?

• 17

• 18

• 35

A(n) is a substance that is made up of only one kind of atom.

• element
• compound

• molecule

A(n) is a substance that is made up of two or more different kinds of atoms.

• molecule

• compound
• element

A(n) is the smallest particle, composed of two or more atoms in an element or compound that has the chemical properties of the element or compound.

• compound

• molecule
• element

Looking at the picture below in reference to the octet rule, is this atom happy?

• yes

• no

• There is not enough information to answer this question.

Carbon has 4 valence electrons, so carbon...........

• will not form bonds

• will form bonds

• sometimes will form bonds and sometimes will not form bonds

Looking at the picture below in reference to the octet rule, is this atom happy?

• yes

• no

• There is not enough information to answer this question.

How many valence electrons does lithium have in its outermost energy level?

• 3

• 2

• 1