Ionic Compounds Flashcards
What happens when a calcium atom forms an ion with a 2+ charge?
The atom loses 2 electrons
What kind of ions are usually formed by metals?
Metals form positive ions
Which of the following atomic structures represents a positive ion?
12 protons, 12 neutrons, 10 electrons
What happens when sodium and chlorine atoms form sodium chloride?
Am electron transfers from each sodium atom to each chlorine atom.
What is the electronic configuration of the fluoride ion (charge = 1-) made from a fluorine atom with an atomic number of 9 and a mass number of 19?
2.8
Why do ionic compounds usually have high melting points?
Electrostatic forces between the ions are very strong and require a lot of energy to break.
When does magnesium chloride conduct electricity?
When molten or desolved in water
What kind of structure is formed in solid potassium chloride?
Giant ionic lattice
What will be the formula of an ionic compound formed from calcium and oxygen?
CaO
Which of the following compounds contains three elements?
Sodium chlorite.
