Introduction to Chemistry Flashcards

(39 cards)

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?

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?

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?

22
Q

What is the correct formula for magnesium chloride?

23
Q

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

24
Q

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

25
Which charge would you find on a Calcium ion?
2+
26
Which charge would you find on a Chlorine ion?
1-
27
For sea plants to photosynthesise, which of these properties of water is most important?
Transparency
28
In electrolysis, the positive electrode is called the...?
Anode
29
In electrolysis, the negative electrode is called the...?
Cathode
30
Which of these properties of water is crucial in the effectiveness of perspiration?
High Specific Heat Capacity
31
What is the common ion charge on all group 1 elements?
1+
32
Which property of water makes capillary action possible?
Adhesion
33
A large amount of energy is required to cause water to evaporate. This property refer to which chemical principle?
High Specific Heat Capacity
34
Which type of bond do you find in organic compunds?
Covalent
35
Bonding involving a cation and anion is referred to as?
Ionic
36
If a substance is hard but brittle, this usually indicates which type of bonding?
Ionic
37
If a substance is soluble in water, this usually indicates which type of bonding?
Ionic
38
rows of elements in the periodic table are referred to collectively as what?
periods
39
columns of elements in the periodic table are referred to as what?
groups