wk 4 ionic bonds

The charge of a single Cl atom is -1. On the ionic compound BaCl₂; what must the charge of Ba be for the compound to be neutral?

• +2
• -2
• +1
• 0

How many valence electrons are in Lithium on the periodic table?

• 3
• 2
• 7
• 1

What is false of an ion?

• a cation is when electron is gained
• anion is when electron is gained
• when an atom gains or loses and electron
• ions are trying to obtain a structure similar to a noble gas

These are vertical columns on the periodic table

• group
• valence
• period
• octet

What are ionic bonds?

• valence electrons transferred between atoms
• Inner most electrons transferred between atoms

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do ionic bonds form?

• so the number of protons equals the number of electrons
• to fill the outermost energy level
• so an atom can become unstable

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An electron has what kind of charge?

• no charge
• positive 
• negative
• it depends

Tags

NGSS.HS-PS2-4

When the number of electrons equals the number of protons the atom has what charge?

• sponge bob
• positive charge
• negative charge
• neutral charge

Tags

NGSS.MS-PS1-1

An atom that has gained or lost electrons is called ...

• a winner
• an isotope
• an ion
• a loser

Atoms that lose electrons become...

• negatively charged
• postively charged
• remain neutral, no charge
• losers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2