Bellwork 4: 3rd Six Weeks

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

• positive ion
• negative ion
• subscript
• the female

Tags

NGSS.MS-PS1-1

What is the formula of RaCl₂?

• Radium Chloride

• Chlorine Radide

• Radium Chlorine

• Radium (II) Chloride

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms

Tags

NGSS.HS-PS1-2

Write the formula for barium + fluoride

• Ba₂F₃

• BaF₂

• BaF

• BaF₃

Write the correct chemical formula for Ag ⁺ and O ^-2

• AgO

• silver oxide

• Ag₂O

• gold oxide

What is the formula for Copper (II) nitride?

• Cu₃N₂

• Cu(NO₃)₂

• CuNO₃₂

• CuN

Name the following ionic compound: LiMnO₄

• Lithium Mangoxide

• Lithium Permanganate

• Lithium magnesium oxide

• Lithium (I) manganese oxide

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

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

Tags

NGSS.HS-PS1-2

Which of the following combinations would need roman numerals in the name?

• potassium + fluorine

• beryllium + oxygen

• boron + iodine

• copper + oxygen

Which of the following elements does NOT have an oxidation number of +2?

• Ca
• Sr
• K
• Ba

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2