Ions and Ionic Compounds

Which is most likely to form a negative ion...

• an element from Group 7

• a metal

• an element from Group 1

• an element with atoms that have eight valence electrons

Tags

NGSS.HS-PS1-1

A ​ (a)   is a positively charged metal ion. It is positive because metals ​ (b)   electrons when they form ions.

• cation
• lose
• anion
• gain

As ​ (a)   is a negatively charged nonmetal ion. It is negative because nonmetals ​ (b)   electrons when they form ionic bonds.

• an anion
• gain
• a cation
• lose

How many valence electrons do elements in Group 5 have?

• 15

• 5

• 4

Tags

NGSS.HS-PS1-1

The name of FeCl₂ is

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride

Name the following ionic compound: BeCl₂

• beryllium chlorine

• beryllium II chloride

• beryllium chloride

• beryllium dichloride

Name the ionic compound SnSe₂

• Tin diselenide

• Tin (IV) Selenide

• Tin selenide

• Tin (II) triselenide

What happens to the name of the nonmetal when it is in an ionic formula? (ex. NaCl)?

• name stays the same - doesn't change

• end of name changes to "-ide"

• end of name changes to "-ate"

What is the name of the following compound? MgO

• magnesium oxygen

• magnesium oxide

• manganese oxide

• manganese oxygen

Tags

NGSS.MS-PS1-1

Li⁺ and P^3- create...

• Li₃P

• LiP₃

• LiP

• Li₂P

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2