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Chemistry > Introduction to Chemistry > Flashcards

Introduction to Chemistry Flashcards

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1
Q

A liquid or gel which contains ions and can be decomposed by electrolysis, is a definition of what?

A

An electrolyte

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2
Q

Which subatomic particle has a positive charge?

A

Proton

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3
Q

Which subatomic particle has a negligible mass?

A

Electron

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4
Q

Each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter is a definition of what?

A

An element

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5
Q

What is the charge on the common ion of Magnesium?

A

2+

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6
Q

In the electrolysis of Copper (ll) Sulfate, copper is deposited at…?

A

The Cathode

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7
Q

What charge would you find on an ion oxide?

A

2-

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8
Q

A liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent) is a definition of what?

A

A solution

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9
Q

A substance which is able to dissolve other substances is a what?

A

Solvent

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10
Q

A substance dissolved in another substance, usually the component of a solution present in the lesser amount is what?

A

A solute

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11
Q

Bonding in which electrons are shared is which type of bonding?

A

Covalent

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12
Q

Which type of bonding would you find in Sodium Chloride?

A

Ionic

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13
Q

In water where is the o+ charge found?

A

on the hydrogens

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14
Q

In water where is to O- charge found?

A

On the oxygen

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15
Q

Water molecules are…?

A

Polar

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16
Q

What type of INTRAmolecular bonding is present in water molecules?

A

Covalent

17
Q

What is an ion?

A

A charged particle

18
Q

Hydrogen bonds are…?

A

found in water

19
Q

What is the main functional group of sugars?

A

Hydroxyl

20
Q

What are the two main functional groups of amino acids?

A

Carboxyl and Amino

21
Q

What type of organic molecules have hydroxyl groups?

A

Alcohols

22
Q

What is the correct formula for magnesium chloride?

A

MgCl2

23
Q

What is the correct formula for Iron (ll) Oxide?

A

FeO

24
Q

What is the correct formula for Copper (ll) Sulphate?

A

CuSO4

25
Q

Which charge would you find on a Calcium ion?

A

2+

26
Q

Which charge would you find on a Chlorine ion?

A

1-

27
Q

For sea plants to photosynthesise, which of these properties of water is most important?

A

Transparency

28
Q

In electrolysis, the positive electrode is called the…?

A

Anode

29
Q

In electrolysis, the negative electrode is called the…?

A

Cathode

30
Q

Which of these properties of water is crucial in the effectiveness of perspiration?

A

High Specific Heat Capacity

31
Q

What is the common ion charge on all group 1 elements?

A

1+

32
Q

Which property of water makes capillary action possible?

A

Adhesion

33
Q

A large amount of energy is required to cause water to evaporate. This property refer to which chemical principle?

A

High Specific Heat Capacity

34
Q

Which type of bond do you find in organic compunds?

A

Covalent

35
Q

Bonding involving a cation and anion is referred to as?

A

Ionic

36
Q

If a substance is hard but brittle, this usually indicates which type of bonding?

A

Ionic

37
Q

If a substance is soluble in water, this usually indicates which type of bonding?

A

Ionic

38
Q

rows of elements in the periodic table are referred to collectively as what?

A

periods

39
Q

columns of elements in the periodic table are referred to as what?

A

groups

Chemistry (1 decks)

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