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Science 8th Grade

Test review for Activities 7A-16A

What is the smallest possible portion of the element of sodium that still retains the properties of sodium? Atom
How are elements listed in order in the rows with in the periodic table? Based on their atomic number
Most elements are what phase at room temperature? solids
On the periodic table of elements, where are the metals primarily found? left side, columns 1-13
On the periodic table of elements, where are the nonmetals primarily found? on the right side, parts of columns 16-17 and all of column 18
Where are the least reactive elements found on the Periodic Table of Elements? nobel gases, far right in column 18
Where would highly reactive metals be located in the Periodic Table of Elements? Alkali Metal, far left in column 1
Describe the make up of an element. an element contains atoms of only one kind (all of the same number of protons)
If an element is located in column 1 on the Periodic Table of Elements, how many electrons will be in the outer shell of its atom? (alkali metals) one electron in the outer shell
What is the relationship between atoms and molecules? molecules are made up two or more of atoms of the same or different kinds.
describe the structure of an atom an atom is composed of protons and neutrons in a nucleus and electrons orbiting around the nucleus in the electron cloud
describe the location of electrons in an atom the electron cloud surrounds the nucleus.
What is true about the motion of particles in all three states of matter particles in all three states of matter are in constant motion
Created by: jmcmillen



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