Bonding Test CP 2022

In the chemical formula for an ionic compound, which item is written first?

• positive ion
• negative ion
• subscript
• the female

What is the charge of ion "X" in CaX?

• +1

• -1

• +2

• -2

Tags

NGSS.HS-PS1-1

Ionic bonds happen because of the ____ of valence electrons.

• sharing

• transfer

• keeping

• covering

Tags

NGSS.HS-PS1-1

How many electrons are needed in the outer energy levels of an atom (other than hydrogen) to be stable?

• 2
• 4
• 6
• 8

Tags

NGSS.HS-PS1-1

In an ionic bond, the ions are held together because...

• the positive nucleus of each ion attracts the other ion's negatively charged electrons

• the ions have opposite charges

• as the electron moved from one atom to another it pulled the atom along with it

• electrons are being shared

Tags

NGSS.HS-PS1-3

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

Magnesium Hydroxide is an ionic compound made up from Mg²⁺ and OH^- ions. Which is its correct formula?

• MgOH

• MgOH₂

• Mg(OH)₂

• MgO

If copper (II) and phosphate bond together, the resulting chemical formula would be:

• Cu₂(PO₄)₃
• CuPO₄
• Cu₃(PO₄)₂
• Cu₃PO₄

The compound formed by Mn (IV) and S would be which of these choices?

• Mn₄S₂
• MnS
• MnS₄
• MnS₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 1+
• 2+
• 0
• 1-

Tags

NGSS.HS-PS1-1