Chemical Bonding

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

Elements in Group 1 lose one electron to form ions with a(n) _________________ charge.

• 1+
• 2+
• 0
• 1-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

What type of bond is this?

• ionic
• covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2
• 4
• 6
• 8

Tags

NGSS.HS-PS1-1

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Where are the metalloids located on the periodic table?

• Blue
• Red
• Green

Tags

NGSS.HS-PS1-1