C. CaO
calcium ion is Ca^2+
oxidie ion is O^2-
Ca^2+ : O^2-
2 : 2
1 : 1
The formula of calcium oxide is CaO
What is the formula for the ionic compound containing calcium ions and oxide ions? O A)...
What is the formula for the ionic compound formed when calcium and oxygen combine? Show Work on Scratch Paper! Cao O CaO2 Ca20 Ca2O2
8. How many valence electrons are needed to form a double bond? 9. Why calcium oxide is Cao, not CaO2? (any compound, ionic or molecular compound, the total charge is zero. Ca loses 2 valence electrons to become Ca+2 while o gains two valence electrons to become 02, the total charge is zero. CaO2, is not zero charge, it is -2 net charge.
8. How many valence electrons are needed to form a double bond? 9. Why calcium oxide is Cao, not CaO2? (any compound, ionic or molecular compound, the total charge is zero. Ca loses 2 valence electrons to become Ca+2 while o gains two valence electrons to become 02, the total charge is zero. CaO2, is not zero charge, it is -2 net charge.
5. Complete the following chart Elor- r Protons-Neutron- Electron- Mass Number Ca* 6. What is the formula for the ionic compound containing calcium ions and oxide ions? A) Cao
The compound KBr is an ionic compound. What are the ions of which it is composed? Cation formula Anion formula The compound NHI is an ionic compound. What are the ions of which it is composed? Cation formula Anion formula
Write the formula for an ionic compound formed from O^2- with each of the following ions. Magnesium ion sodium ion aluminum ion
The formula for aluminum oxide, a very stable ionic compound, is most likely to be AIO Al₂O₃ Al30 AIO2
7. What is the formula of the ionic compound that forms when calcium hydroxide reacts with nitrous acid?
QUESTION 11 What is the formula of the compound forms when calcium ions combine with dichromate ions? CaCrO4 CazCr04 Ca2Cr204 Ca2Cr207 CaCr207
What is the formula for the ionic compound composed of the aluminum ion, Al3+, and the oxide ion, O2-? a) Al2O4 b) Al3O2 c) Al2O3 d) Al6O6 e) AlO