Unit 1 Review TEKS 7.6 A 7.6 B

This is  the smallest particle of an element

• atom
• nucleus
• cell
• molecule

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NGSS.MS-PS1-1

represents the type and number of atoms present in a particular substance

• Chemical formula
• Molecular structure
• Atomic number
• Chemical composition

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NGSS.MS-PS1-1

 one or two letters representing a chemical element

• chemical formula

• chemical symbol

• initials

• atom

composed of two or more different elements that are chemically combined

• Compound
• Element
• Solution
• Mixture

 a pure substance composed of the same type of atom throughout

• element
• compound
• mixture
• solution

refers to the simplest unit of a chemical compound that can exist; formed when two or more atoms combine chemically

• Compound
• Element
• Molecule
• Atom

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NGSS.MS-PS1-1

A chart of the chemical elements that displays them in rows horizontally in order of increasing atomic number and vertically according to similarity of the chemical properties of their atoms

• Element Chart
• Atomic Grid
• Chemical Table
• Periodic Table

a small-sized number on the bottom right of the symbol. It refers to the number of atoms of the element

• Exponent
• Superscript
• Subscript
• Prefix

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NGSS.MS-PS1-1

a whole number placed in front of a chemical formula to indicate how many molecules of a substance are present or needed to balance an equation

• number
• subscript
• element
• coefficient

C₁₂H₂₂O₁₁

• element

• compound

Tags

NGSS.MS-PS1-1