Chemistry Worksheet Questions

_____ A positively charged ion

• Cation

• Anion

• Neutron

• Electron

A chemical bond that involves sharing a pair of electrons between atoms in a molecule

• Ionic bond

• Hydrogen bond

• Covalent bond

• Metallic bond

Tags

NGSS.HS-PS1-1

_____ Electrons on the outermost energy level of an atom

• Core electrons

• Valence electron

• Lone pairs

• Lewis electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A charged group of covalently bonded atoms

• Cations

• Anions

• Valence electrons

• Polyatomic ion

A diagram showing how the valence electrons are arranged among the atoms in the molecule

• Electronegativity

• Polarity

• Lewis structure

• Bohr model

A solid that sometimes forms during a double replacement reaction

• Product

• Precipitate

• Cation

• Mole

A substance that breaks apart in water

• Soluble

• Precipitate

• Product

• Anion

A reaction between a hydrocarbon and oxygen that produces carbon dioxide and water

• Synthesis

• Decomposition

• Single replacement

• Combustion

Tags

NGSS.HS-PS3-4

9) _____ A reaction in which one reactant breaks down to form two or more products (AB→A+B)

• Decomposition

• Synthesis

• Single Replacement

• Combustion

A substance that forms in a chemical reaction and is present at the end of the reaction

• Gas

• Solid

• Product
• Reactant

Tags

NGSS.MS-PS1-2