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Science 9 > Matter and chemical change > Flashcards

Matter and chemical change Flashcards

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1
Q

Period

A

A horizontal line on 5e periodic table

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2
Q

Matter

A

Anything that has mass and occupies space

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3
Q

Sublimation

A

Solid to a gas

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4
Q

Group

A

A vertical column on the periodic table

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5
Q

Element

A

Substance made up of only one type of atom

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6
Q

Compound

A

Substance made of two or more different atoms

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7
Q

Alchemist

A

Someone part magician and part scientist

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8
Q

Atomic number

A

Shows the number of protons in Athena nucleus

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9
Q

Physical change

A

Change in physical appearance or state of substance

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10
Q

Deposition

A

Gas to solid

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11
Q

Electron

A

Negatively charged particles that orbit the nucleus

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12
Q

Atomic mass

A

Mass of an atom of an element

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13
Q

Chemical change

A

Change I. Which two or more substances react to create a different substance or substances

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14
Q

Mixture

A

Combination of pure subtances

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15
Q

Properties

A

Characteristics that describe a particular substance

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16
Q

properties

A

Characteristics that describe a particular substance

17
Q

Corrosion

A

When oxygen reacts with metal

18
Q

Ion

A

Formed when an atom losses or gains electrons

19
Q

Product

A

New substance formed as a result of a chemical reaction

20
Q

Endothermic

A

Chemical reaction in which heat is absorbed

21
Q

Chemical formulas

A

Identifys the elements and the amount of atoms of each element

22
Q

Compound

A

Chemical combination of two or more elements in a specific ratio

23
Q

Polyatomic ion

A

Groups of atoms acting as one

24
Q

Molecular compound

A

Pure substance formed when non-metals combine

25
Q

Catalyst

A

Substance that speeds up a chemical reaction

26
Q

Molecule

A

A group of atoms joined by a covalent bond

27
Q

Ionic compound

A

Pure substance formed when a metal and non-metal combine

28
Q

Reactant

A

A pure substance that reacts with another in a chemical reaction

Science 9 (4 decks)

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