Bonding Day 1 - Bonding Basics

Bonding Day 1 - Bonding Basics

Multiple Choice

Ionic Compounds are formed by

• The transfer of electrons

• the sharing of electrons

• combining electrons

• the formation of molecules

Multiple Choice

Most elements will have this many valence electrons when they become ions?

• 2

• 6

• 8

• 10

Multiple Choice

Chemical reactivity is determined by

• the atomic number.

• the total number of electrons.

• the neutrons.

• the valence electrons.

Multiple Choice

When an atom gains an electron, it becomes a:

• positive ion

• negative ion

• neutral ion

• neutral atom

Multiple Choice

Ionic bonds form between a

• two metals

• nonmetal and nonmetal

• metal and nonmetal

• two metalloids

Multiple Choice

Which group in the periodic table has elements with a stable electron structure? (Full outer shell)

• Group 1

• Group 2

• Group 14

• Group 18 (Noble Gases)

Multiple Choice

H and He are exceptions to the Octet Rule. How many electrons can they have in their outer shell?

• 1

• 2

• 8

• 10

Multiple Choice

How does Lithium become an ion?

• Lose 1 electron

• Gain 7 electrons

• Lose 3 electrons

• Gain 1 electron

Multiple Choice

How does Fluorine become an ion?

• Gain 1 electron

• Lose 1 electron

• Lose 7 electrons

• Lose 2 electrons

Multiple Choice

Ionic compounds

• all of these are correct

• form crystals

• have high melting points

• form from opposite charges

Multiple Choice

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

Multiple Choice

In an ionic compound - metals _____ electrons, giving them a _____ charge. We call these types of ions _____.

• Lose / Negative / Cation

• Lose / Positive / Cation

• Gain / Negative / Anion

• Gain / Positive / Anion

Multiple Choice

How many valence electrons does Boron (B) have?

• 5

• 13

• 3

• 11

Multiple Choice

How many electrons does Sodium (Na) want to gain or lose and what ionic charge is created from this?

• 1 / +1

• 1 / -1

• 11 / +1

• 11 / -1

Multiple Choice

The purpose of bonding for most elements is to achieve greater stability and to have a complete ______ of electrons in the outermost energy level.

• pair

• nucleus

• octet

• molecule