Introduction to Chemistry Crossword Puzzle

QUESTIONS LIST: democritus : _ and leucippus, suggested that matter was not infinitely divisible into smaller particles, proton : atoms are made up of three particles: _ , neutrons and electrons, elements : fundamental, indivisible particles called _ , elements : pure substance which cannot be broken down by chemical means, consisting of atoms which have identical numbers of protons in their atomic nuclei, homogeneous : type of mixture where it is a uniform mixture or a solution which looks like might be one substance, compound : chemistry primarily focuses on atoms, ions, and molecules which, in turn, make up elements and _ , elements : are defined as substances that are made of only one type of atom or only one type of molecule, science : a way of learning about the universe, heterogeneous : halo-halo is an example of what physical processes matter, valence shell : a valence electron is an outer shell electron that is associated with an atom, antoine lavoisier : father of chemistry who started modern chemistry, scientific method : antoine lavoisier belief is different from alchemy. instead, he used _ and reasoning, ancient greeks : it was not until the era of the _ that we have any record of how people tried to explain the chemical changes they observed and used, conservation of mass : antoine lavoisier most important contribution was the _ , chemistry : deals with the properties of these substances and the reactions undergone by them to form new substances.