Formation of ions

Calcium forms an ion with _____ charge

• -1

• +1

• +2

• -2

Chlorine forms an ion with _______ charge

• -1

• +1

• +2

• -2

Group 13 elements form ______

• cations

• anions

group 15 elements form ______

• cations

• anions

which of the following forms -2 ions

• group 15

• group 16

• group 17

Atoms form ions to

• be gases

• be stable

• have 10 electrons always

Tags

NGSS.HS-PS1-2

Elements on the LEFT side of the periodic table will most likely form:

• Positive ions
• Negative ions
• Neutral Ions
• None of these

Tags

NGSS.HS-PS1-1

The charge of a normal atom is:

• Positive
• Neutral
• Negative

Most atoms have no net charge because they have....

• an equal number of charged and non-charged particles
• neutrons in their nuclei
• an equal number of electrons and protons
• an equal number of neutrons and protons

If a you saw the following, K+; what does it tell you about the  the ion.

• it has lost one electron 
• it has lost one proton 
• it has lost two electrons 
• it is a negative ion 

Tags

NGSS.HS-PS1-1