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JLC Sci Ch 12

JLC Sci Ch 12 6th grade Atoms & Elements

QuestionAnswer
Name the four states of matter. solid, liquid, gas, plasma
The smallest unit of an element that still has the property of that element. atom
A subatomic particle with a positive charge. proton
An element that fails to conduct electricty and is not shiny or malleable. nonmetal
A subatomic particle with a negative charge. electron
The chart that arranges elements by atomic number. periodic table
a substance that is generally shiny, can be bent, and often conducts heat and electricity. metal
The __________ _________ of an element determines its properties. atomic number
Atoms are mostly empty space. True or False True
The positive charge of an atom is concentrated in the nucleus. True or False True
Electrons are found in a "cloud" around the nucleus. True or False True
Electrons are embedded in a positively charge sphere. True or False False
What is the most important reason that the periodic table is such a useful tool? It arranges elements with similar properties into columns.
Atoms share or transfer these to form compounds. electrons
A state of matter that is defined by shape and volume. solid
Elements are made of ____________ kind of atom. one
Compounds are made of _____________ kinds of atoms. different
Created by: jkm1123
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