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Science 10 > Chemical Reactions > Flashcards

Chemical Reactions Flashcards

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1
Q

What is an Acid

A

a compound that dissolves in water to form a solution with a pH lower than 7

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2
Q

what is a Base?

A

a compound that dissolves in water to form a solution with a pH greater than 7

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3
Q

What is an indicator

A

chemicals used to determine if a solution is an acid or a base

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4
Q

Litmus paper is what?

A

an acid/base indicator that turns red in acid and blue in a base

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5
Q

A mixture of several indicators that change color as the acidity changes?

A

Universal Indicator

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6
Q

acids and bases reacting (losing their properties) to produce water and a salt

A

Neutralization

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7
Q

Represents how acidic or basic a solution is

A

pH Scale

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8
Q

anything that has mass and takes up space

A

Matter

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9
Q

Atoms are not created or destroyed in a chemical reaction, this is called what?

A

Law of Conservation of Matter

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10
Q

combinations of pure substances

A

Mixtures

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11
Q

All components of the mixture look the same

A

Homogenous Mixtures

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12
Q

All components of the mixture look different

A

Heterogenous Mixture

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13
Q

What are the three main categories of the periodic table

A

Metals, Non-metals, metalloids

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14
Q

Elements that don’t usually form bonds with other elements

A

Noble Gases

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15
Q

React violently with water

A

Alkali metals

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16
Q

form poisonous gases and travel in pairs

A

Halogens

17
Q

number of protons and electrons located on the element symbol

A

atomic number

18
Q

The number under the element name

A

molar mass

19
Q

Atoms that have a different number of neutrons than protons are called

A

isotopes

20
Q

The outer orbital is an atom is called the

A

valence shell

21
Q

Always contains a non-metal and metal

A

ionic compounds

22
Q

Contains a non-metal and a non-metal

A

molecular/Covalent compound

23
Q

Contains 2 identical atoms

A

diatomic (also known as the silly sever, hydrogen, nitrogen, fluorine, Oxygen, iodine, chlorine, bromine)

24
Q

Containing two parts

A

Binary

25
Q

When an atom loses or gains electrons it forms a….

A

ion

26
Q

positively charged

A

cation

27
Q

negatively charged

A

anion

28
Q

When one atom loses an electron and another atom gains that electron, the process is called…

A

electron transfer

29
Q

amu

A

atomic mass unit

Science 10 (1 decks)

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