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True or False: Ionic bonds form between metals and non-metals.
True
What happens to electrons in an ionic bond?
They are transferred from metal to non-metal.
Which type of ion is positively charged?
Cation
Which type of ion is negatively charged?
Anion
Sodium (Na) has 1 valence electron. In ionic bonding, will sodium lose or gain electrons?
Lose 1 electron
What ion does chlorine (Cl) form in NaCl?
Cl⁻ (chloride ion)
What is the charge on a magnesium ion when it forms an ionic compound?
2+
Lithium and fluorine bond. What is the formula of the compound?
LiF
Ionic compounds usually have high or low melting points?
High
True or False: Ionic compounds conduct electricity when dissolved in water.
True
What is the formula of calcium chloride?
CaCl₂
Why are noble gases generally unreactive?
They already have full outer shells.
What is the electron configuration of Na⁺?
2,8
Potassium reacts with oxygen. What is the formula of the compound formed?
K₂O
Which element in MgO gains electrons?
Oxygen
Which type of ion is formed when an atom gains electrons?
Anion (negative ion)
