Formation of Compounds

On the periodic table, the periods are...

• horizontal rows
• vertical columns

On the periodic table, the groups are are...

• horizontal rows
• vertical columns

The arrangment of eight electrons in the outermost energy level is called a(n)...

• electron cloud
• stable octet
• group of eight
• valence electron

The outermost energy level of an electron is called its...

• valence energy level
• outer energy level
• group
• period

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does oxygen have?

• 5
• 6
• 7
• 8

Tags

NGSS.HS-PS1-1

An atom is neutral when is has the same number of...

• electrons and neutrons
• protons and neutrons
• protons and electrons

A positively charged ion has fewer electrons than protons. A positively charged ion is called a(n)...

• cation
• onion
• anion
• positivion

Ions are negatively charged when they have a greater number of electrons than protons. A negatively charged ion is called a(n)...

• cation
• onion
• anion
• negativion

Metallic atoms tend to __________ electrons, forming cations.

• give up
• accept

Non-metallic atoms tend to ________ electrons, forming anions

• give up
• accept