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6th Grade Science

Elements, Compounds and Reactions

Matter is made up of tiny particles called _____ Atoms
Substances that contain only one type of atom are called _____ Elements
What are the 3 parts of an atom? Protons, neutrons and electrons
Which two parts of an atom are located in the nucleus? Protons and neutrons
Protons have a _____ charge Positive
Neutrons have ___ charge because they are _____ No, neutral
Electrons have a _____ charge. They move _____ the nucleus. Negative, around
How do you find the number of each subatomic particle? The atomic number is located in the top of the box on the periodic table.
The _____ _____ is the number of protons and electrons. Atomic number
There are the same number of _____ and _____ in every atom. Protons, electrons
If the the atomic number of an element is 5, how many protons and electrons are in the element? 5
The _____ _____ is the bottom number in the box on the periodic table. Mass number
The mass number is the number of _____ and _____ for that element added together. Protons, neutrons
The mass number minus the atomic number equals the number of _____ Neutrons
If the atomic number of an element is 10 and the mass number is 16, what is the number of neutrons in the element? 6
Dimitri Mendeleev is the father of what? Periodic table
The _____ _____ is designed to help you predict an element's physical and chemical properties. Periodic table
The vertical (up and down) columns of a periodic table are called _____ or _____ Groups, families
Elements in the same group or family have similar _____ Characteristics
The horizontal rows of a periodic table are called _____ Periods
Choose one: Elements in a period are alike/not alike in properties. Not alike
What 4 things are in a box on the periodic table? Name, symbol, atomic number and atomic mass
The large letter(s) in the box is the element's _____ Symbol
Most periodic tables contain a stair line that allows you to tell what about each element? Whether they are a metal, nonmetal, or metalloid
Choose one: Most elements are metals/nonmetals/metalloids. Metals
_____ are found on the right of the stir line. Nonmetals
Elements that touch both sides of the stair line are _____ Metalloids
_____ have properties of metals and nonmetals Metalloids
Created by: blakelyk