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Science 10 Provincial > Chapter 4 > Flashcards

Chapter 4 Flashcards

0
Q

Atom

A

The smallest particle of any element that retains the properties of an element

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1
Q

Anions

A

Negative ions

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2
Q

Atomic number

A

The number of protons in the nucleus of an atom

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3
Q

Binary covalent compound

A

A compound that contains two non-metallic joined together by covalent bonds

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4
Q

Bohr diagram

A

Diagram showing the arrangement if an elements subatomic particles and number of electrons in each she’ll surrounding the nucleus of an atom

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5
Q

Bonding pair

A

A pair if electrons involved in a covalent bond

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6
Q

Cations

A

Positive ions

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7
Q

Chemical change

A

Changes in how the atoms and molecules in a pure substance are arranged and interconnected

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8
Q

Chemical equation

A

The representation of a chemical reaction in words or symbols

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9
Q

Chemical reaction

A

one or more chemical changes that occur at the same time

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10
Q

Coefficient

A

Numbers placed infront of a chemical formula or symbol for an element that shows the ratio between the various compounds in a chemical reaction

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11
Q

Compound

A

A pure substance that’s composed of two or more atoms chemically combined in a specific way

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12
Q

Conservation of mass

A

The preservation of mass in a chemical reaction

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13
Q

Covalent bonding

A

The formation of a chemical bond between atoms trough the sharing of electrons

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14
Q

Covalent compound

A

A compound formed when non-metallic atoms share electrons to form covalent bonds

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15
Q

Diatomic molecule

A

A pair of atoms of the same element that are joined by covalent bonds

16
Q

Electrons

A

Subatomic particles that have -1 electric charge

17
Q

Ionic bonding

A

The bond that forms as a result of the attraction between positively and negatively charged ions

18
Q

Ionic compounds

A

Compounds that are composed of positive ions and negative ions

19
Q

Ions

A

Electrically charged particles created when atoms gain or lose electrons

20
Q

Lewis diagram

A

A diagram that illustrates chemical bonding by showing only atoms an atoms valence electrons and it chemical symbol

21
Q

Lone pair

A

A pair of electrons in an atoms valence she’ll that is not used in bonding

22
Q

Molecule

A

A group of atoms in which the atoms are bound together by sharing one or more pairs of electrons

23
Q

Multivalent

A

Describing the ability of an element to form ions in more than one way, depending on the chemical reaction it undergoes

24
Q

Neutrons

A

Subatomic particles that do not have an electric charge

25
Q

Nuclear charge

A

The electric charge on an atoms nucleus, which can be determined by counting the number of protons

26
Q

Period

A

Each row of elements in the periodic table

27
Q

Polyatomic ion

A

A. Molecular ion that carries a charge and is composed of more than one type of atoms joined by covalent bonds

28
Q

Products

A

Pure substances formed in a chemical change that have different properties from those Of the reactants

29
Q

Protons

A

subatomic particles that have 1+ electrical charge

30
Q

Reactants

A

Pure substances that react in a chemical change

31
Q

Skeleton equation

A

An equation that shows only the formulas of the reactants and products

32
Q

Stable octet

A

The arrangement of eight electrons in the outermost shell if an atom

33
Q

State of matter

A

Whether it’s a gas, liquid or solid

Aq = dissolved in water

34
Q

Subatomic particles

A

The particles that make up an atom

35
Q

Subscript

A

The small number written to the right of an element

36
Q

Symbolic equation

A

A set of chemical symbols and formulas that identify the reactants and products in a chemical reaction

37
Q

Valence electrons

A

Electrons in the outermost shell of an atom

38
Q

Valence shell

A

The outermost shell that contains electrons

Science 10 Provincial (5 decks)

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