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Chemistry - 10 > Chemistry - Bonding > Flashcards

Chemistry - Bonding Flashcards

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1
Q

Where are Alkali metals on the periodic table

A

Group 1

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2
Q

Where are Transition Metals on the periodic table

A

Groups 3-12

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3
Q

Where are Noble Gases on the periodic table

A

Group 18

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4
Q

How high are Alkali metals melting points

A

Low

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5
Q

How high are Transition metals melting points?

A

High

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6
Q

How reactive are Alkali metals

A

Highly reactive

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7
Q

What are the reactivity levels Transition metals?

A

Low reactivity

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8
Q

What is the reactivity level of Noble Gases?

A

Very low reactivity

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9
Q

What are two properties of Alkali metals?

A

Soft and shiny

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10
Q

True or false, transition metals are strong?

A

True

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11
Q

True or false, alkali metals are strong?

A

False

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12
Q

Do Noble Gases have strong colours and odours?

A

No they do not

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13
Q

What is the general boiling point of a transition metal?

A

High

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14
Q

What charge do protons have?

A

Positive

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15
Q

What charge do Neutrons have?

A

Neutral charge

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16
Q

What charge do Electrons have?

A

Negative charge

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17
Q

Why do ionic compounds not conduct electricity as a solid but do as liquids?

A

Ionic compounds conduct electricity when molten or in aqueous solution because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move

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18
Q

What is a cation?

A

A cation is an ion that has lost an electron through bonding and has thus gained a positive charge

19
Q

What is an anion?

A

An anion is an ion that has gained an electron through bonding and thus has gained a negative charge

20
Q

If an atom has 13 protons whats its atomic mass?

A

26

21
Q

If an atom has 43 protons, what’s it’s atomic mass?

A

86

22
Q

If an atom has 2 protons, what’s its atomic mass?

A

4

23
Q

If an atom has 78 protons, what’s its atomic mass?

A

156

24
Q

Do ionic bonds involve sharing or donating electrons?

A

Donating

25
Q

Do covalent bonds involve sharing or donating electrons?

A

Sharing electrons

26
Q

Which of the following trends decreases as you move from left to right on the periodic table?

Electronegativity

Ionization energy

Electron affinity

Atomic radius

A

Atomic radius, is because the added positive charge in the nucleus causes the elctrons to be pulled more strongly towards the center, which decreases the atomic radius.

27
Q

Which of the following atoms has the greatest electronegativity?

Selenium
Arsenic
Sulfur
Phosphorus

A

Sulfur. Electronegativity values become greater as you move up and to the right on the periodic table.

28
Q

What way on the periodic table does ionisation energy increase?

A

Ionisation energy increases from bottom to top within a group, and from left to right within a row of the periodic table which is the opposite trend that atomic radius follows.

29
Q

As you progress from left to right along the periodic table, the electronegativity __________ and the atomic size __________.

A

Increases
Decreases

30
Q

What follows the same periodic trend as electron affinity?

A

Electron affinity increases as we go top-right. The only other listed periodic trend that increases as we go top-right is electronegativity.

31
Q

What is a metallic bond?

A

A metallic bond is a type of chemical bond formed between positively charged atoms in which the free electrons are shared among a lattice of cations.

32
Q

What is a covalent bond?

A

A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.

33
Q

What is an ionic bond?

A

Ionic bonds are when the electrostatic attraction between oppositely charged ions, which form when valence electrons are transferred from one atom to another.

34
Q

Properties of Ionic bonds

A
  • Ionic compounds have high melting points.
  • Ionic compounds are hard and brittle.
  • Ionic compounds dissociate into ions when dissolved in water.
  • Solutions of ionic compounds and melted ionic compounds conduct electricity, but solid materials do not.
35
Q

Properties of covalent bonds

A
  • Low melting points.
  • Low boiling points.
  • Poor electrical conductors.
  • Poor thermal conductors.
  • Form brittle or soft solids.
36
Q

Properties of metallic bonds

A
  • Electrical Conductivity
  • Thermal Conductivity
  • Malleability and Ductility
  • Metallic Lustre
  • High Melting and Boiling Points
37
Q

What is reaction rate?

A

The reaction rate or rate of reaction is the speed at which a chemical reaction takes place.

38
Q

What’s a limiting reagent?

A

The limiting reagent is the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed.

39
Q

What’s the excess reagent?

A

In a chemical reaction, reactants that are not used up when the reaction is finished are called excess reagents.

40
Q

What may you observe in a chemical reaction?

A

A color change, formation of a precipitate, formation of a gas, odor change, temperature change.

41
Q

What is solubility?

A

In chemistry, solubility is the ability of a substance, the solute, to form a solution with another substance, the solvent.

42
Q

Metal + Acid?

A

metal + acid → salt + hydrogen gas

43
Q

Acid + Base?

A

acid + base → salt + water

44
Q

Acid + Carbonate?

A

acid + carbonate → salt + water + carbon dioxide

Chemistry - 10 (1 decks)

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