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Atomic Systems Review
__________________ is anything that has mass and takes up space matter
The tiniest particles of which all things are made are ____________. atoms
The basic structural components of the typical atom are ___________, _________, and _____________. Protons, neutrons, electrons
Protons and neutrons comprise the _____________ of an atom. nucleus
______________ have a positive charge. protons
_____________ have a negative charge. electrons
_______________ have no charge at all. neutrons
An ______________ is a form of matter that is made up of one type of atom element
The number of __________ in an atom of an element determine the type of element. protons
A(n) _____________ of an element contains a different number of neutrons. isotope
The ___________________ organizes the elements by atomic mass. Periodic table
Every element is represented by its __________________. Chemical symbol
The __________________ indicates the number of protons and electrons in element. Atomic number
The ________________ of an element tells the weighted average mass of its isotopes. Atomic mass
Use the information on the left to determine the chemical symbol for the element. 6CCarbon12.0107 C
How many protons are contained in one atom of carbons? 6CCarbon12.0107 6
How many neutrons are contained in one atom of carbon? 6CCarbon12.0107 6.0107
How many electrons are contained in one atom of carbon? 6CCarbon12.0107 6
The periods of the periodic table tell the number of _____________ an element has. shells
_____________ are malleable and ductile, generally shiny and good conductors of heat and electricity, and most are solid at room temperature. metals
________________ have characteristics of both metals and nonmetals. metalloids
______________ are usually dull in appearance, most are poor conductors of heat and electricity, and many are gases at room temperature. nonmetals
Two or more atoms of the different elements may combine to form a ______________. compounds
What is the chemical formula for salt? NaCl
The chemical formula, H 2 O 2 contains what two elements? Hydrogen and Oxygen
The chemical formula, NaHCO 3 contains how many atoms of oxygen? 3
The chemical formula, CaCO 3 contains how many atoms of calcium? 1
A chemical formula represents a _____________ reaction of the elements involved. chemical
The properties of a ___________ are different from those of the elements it is made from. compound
When two or more substances (elements or compounds) come together but don’t combine to make a new substance, a ____________ results. mixture
_________________ mixtures are the same throughout. homogeneous
You can see the different parts in a _____________ mixture.
The compounds in yellow represent which part of the chemical equation? SO 3 + H 2 O H 2 SO 4 reactants
The compounds in red represent which part of the chemical equation? SO 3 + H 2 O H 2 SO 4 product
Is the following chemical equation balanced? 2H 3 AsO 4 → As 2 O 5 + H 2 O no
Don’t forget to study common compounds, balancing chemical equations, and predominant earth elements.
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Chapter B-1 Lesson 1 What are elements?. Matter Matter is anything that takes up space and has mass. (weight on Earth)
Matter Vocabulary. __________________ anything that has mass takes up space matter.
The Simplest Matter.
ATOMS Basic building blocks of matter. –Atoms make up everything (that has mass and takes up space).
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Before you read A or D StatementAfter you read A or D Matter cannot be created or destroyed. The model of the atom has remained mostly unchanged since.
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