Chapter 6 Review

Which list of elements consists of a metal, a metalloid, and a nonmetal?

• Li, Na, Rb

• Sn, Si, C

• Cr, Mo, W

• O, S, Te

As the elements in Group 2 are considered in order of increasing atomic number, the chemical reactivity of each successive element

• Increases

• Decreases

• Stays the Same

He is known as the Father of the Periodic Table (Last Name Only)

What are valence electrons?

• Subatomic particles that are found in the nucleus of the atom.

• Subatomic particles that are outside of the nucleus.

• Subatomic particles that are found in space.

• Subatomic particles that are found in the outermost energy level.

Elements with similar properties are in ________ on the periodic table

All group 18 elements (check all that apply)

• have a full valence shell

• are liquids

• are unstable

• are gases

• have high melting points

How many valence electrons does Bromine have in the ground state?

• 35

• 7

• 18

• 8

As the elements in Period 3 are considered in order of increasing atomic number, there is a general decrease in

• Atomic number

• Atomic radius

• Electronegativity

• Ionization energy

Which element forms an ion that is smaller than its atom?

• Aluminum

• Fluorine

• Chlorine

• Nitrogen

This element is the most electronegative element