HISET Science - Physical Science: Chemistry
Questions and Answers 100% Solved
molecule two or more atoms held together by covalent bonds
nucleur fission the splitting of a massive nucleus into two less massive nuclei of atoms
during a nuclear reaction
nuclear force an attractive force that acts between all nuclear particles that are
extremely close together, such as protons and neutrons in a nucleus
necleus center of the atom
neutron A small particle in the nucleus of the atom, with no electrical charge
periodic law when the elements are arranged in order of increasing atomic number,
there is a periodic repetition of their physical and chemical properties
, periodic table of elements A table that classifies elements by their physical and chemical
properties; rows are called periods; columns are called groups;
proton positively charged particle
radioactive elements that spontaneously emit radiation
symbol something that stands for something else
carbon C6
hydrocarbons Compounds composed of only carbon and hydrogen
organic Contains carbon
organic chemistry the study of all chemicals containing carbon
Questions and Answers 100% Solved
molecule two or more atoms held together by covalent bonds
nucleur fission the splitting of a massive nucleus into two less massive nuclei of atoms
during a nuclear reaction
nuclear force an attractive force that acts between all nuclear particles that are
extremely close together, such as protons and neutrons in a nucleus
necleus center of the atom
neutron A small particle in the nucleus of the atom, with no electrical charge
periodic law when the elements are arranged in order of increasing atomic number,
there is a periodic repetition of their physical and chemical properties
, periodic table of elements A table that classifies elements by their physical and chemical
properties; rows are called periods; columns are called groups;
proton positively charged particle
radioactive elements that spontaneously emit radiation
symbol something that stands for something else
carbon C6
hydrocarbons Compounds composed of only carbon and hydrogen
organic Contains carbon
organic chemistry the study of all chemicals containing carbon
