What is the smallest unit of an element that retains its chemical properties?
What is an atom?
What is the name for the periodic table's horizontal rows?
What are periods?
What type of bond involves the sharing of electrons between atoms?
What is a covalent bond?
What is the name for a reaction where two or more substances combine to form a single product?
What is a synthesis reaction?
What is the positively charged particle found in the nucleus of an atom?
What is a proton
What is the name for the periodic table's vertical columns?
What are groups?
What type of bond results from the transfer of electrons between atoms?
What is an ionic bond?
What is the name for a reaction where a single compound breaks down into two or more simpler substances?
What is a decomposition reaction?
What region of an atom contains electrons?
What is the electron cloud or orbital?
As you move across a period from left to right, what happens to atomic size?
What is a decrease
What is the name for the attraction between oppositely charged ions?
What is an ionic bond?
What is the name for a reaction where one element or ion replaces another in a compound?
What is a displacement reaction
What is the number of protons in the nucleus of an atom called?
What is the atomic number?
As you move down a group, what happens to the ionization energy?
What is a decrease?
What type of bond is found in metals, where electrons are delocalized?
What is a metallic bond?
What is the name for a reaction where electrons are transferred between substances?
What is a redox reaction?
What is the total number of protons and neutrons in an atom's nucleus?
What is the mass number
What group of elements is known for their low reactivity?
What are the noble gases?
What is the name for a chemical compound that results from ionic or covalent bonds?
What is a molecule?
What is the term for the minimum amount of energy needed to start a chemical reaction?
What is the activation energy?