Bonding

Most atoms form chemical bonds to become....

• stable

• unstable

• friends

Atoms are stable when the valence level contains 8 electrons, which means the level is full, "Magic 8".

What rule is this known as?

• rule of eights

• quintuplet rule

• octet rule

Hydrogen and Helium are exceptions to the octet rule. How many valence electrons do they need to be stable and why?

• 1 in their outer shell because the first shell will only hold 1 electron

• 4 in their outer shell because the first shell will only hold 4 electrons

• 2 in their outer shell because the first shell will only hold 2 electrons

How do atoms form chemical bonds?

Check all that apply.

• lose an electron

• gain an electron

• share electrons

• cancel out all electrons

The process when atoms form chemical bonds is called.......

• physical reaction

• chemical reaction

• nervous reaction

• nuclear reaction

A chemical reaction will result in the formation of.....

• compounds

• molecules

The closer an atom is to having 8 valence electrons, the more likely it is to form a bond with another atom (the more REACTIVE it is).

Categorize the following.

Groups:

(a) Most reactive metals

,

(b) Most reactive nonmetals

,

(c) Nonreactive

• Alkali Group 1

• Already stable so don't react

• Francium is the most

• Halogens Group 17

• Fluorine is the most

• Noble Gases Group 18

What happens to electrons in an ionic bond?

Choose 2

• A nonmetal gains electrons.

• A metal loses electrons

• A metal gains electrons.

• A nonmetal loses electrons.

What happens to an atom when it no longer has equal protons and electrons?

Choose 2

• when an atom gains electrons, it has more electrons than protons, so it has a negative charge

• when an atom loses electrons, it has more protons than electrons, so it has a positive charge

• when an atom gains electrons, it has more protons than electrons, so it has a positive charge

• when an atom loses electrons, it has more protons than electrons, so it has a negative charge

How does an ionic bond happen?

• 1. 1. Metals gain electrons, nonmetals lose electrons.

  2. 2. They become ions with a positive or negative charge.

  3. 3. Opposite charges are attracted to each other.

  4. 4. The ions bond.

• 1. 1. Metals lose electrons. Nonmetals gain electrons.

  2. 2. They become ions with a positive or negative charge.

  3. 3. Opposite charges are attracted to each other.

  4. 4. The ions bond.

• 1. 1. Metals lose electrons. Nonmetals gain electrons.

  2. 2. They become ions with a positive or negative charge.

  3. 3. Opposite charges repel each other.

  4. 4. The ions bond.