WWU7 Ionic Bonding

What is an element that cannot be broken down into simpler components without losing its properties?

• Molecule

• Substance

• Ion

• Compound

What is a molecule?

• A charged atom

• A compound made of two different elements

• A substance made of two or more atoms held together by sharing electrons

• A force of attraction holding atoms together

Tags

NGSS.MS-PS1-1

Which term describes a compound made of exactly two different elements?

• Ionic compound

• Binary compound

• Polyatomic ion

• Crystal lattice

What is an ionic compound?

• A compound made of a metal cation and a nonmetal anion

• A charged atom

• A molecule with shared electrons

• A compound with a single element

What is an ion?

• A molecule with shared electrons

• A charged atom due to the loss or gain of electrons

• A compound made of two different elements

• A repeating array of ions

Tags

NGSS.MS-PS1-5

What is a chemical bond?

• A charged atom

• A force of attraction holding atoms in a compound or molecule together

• A compound made of a metal cation and a nonmetal anion

• A chemical shorthand using element symbols

What is an ionic bond?

• A bond where atoms share electrons

• A bond where one atom loses valence electrons and another atom gains them

• A bond between two nonmetals

• A bond that forms a molecule

What does the oxidation number represent?

• The number of atoms in a molecule

• The charge on an ion

• The number of electrons shared

• The number of elements in a compound

What is a polyatomic ion?

• An ion with a single element

• An ion that contains more than one element

• A compound made of two different elements

• A repeating array of ions

What is a chemical formula?

• A charged atom

• A shorthand using element symbols to show elements in a compound and their ratios

• A compound made of a metal cation and a nonmetal anion

• A force of attraction holding atoms together