Homework - revision for AC2

Homework - revision for AC2
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Slide 1: Tekstslide
ScienceLower Secondary (Key Stage 3)

In deze les zitten 38 slides, met interactieve quizzen en tekstslides.

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Homework - revision for AC2

Slide 1 - Tekstslide

Slide 2 - Tekstslide

Why does a sodium ion have the overall charge of +1 but a sodium atom has no overall charge?

Slide 3 - Open vraag

Slide 4 - Tekstslide

Compare and contrast Na atoms and Na ions.

Slide 5 - Open vraag

Slide 6 - Tekstslide

Describe what happens when elements bond covalently

Slide 7 - Open vraag

Slide 8 - Tekstslide

What type of bond involves the sharing of electrons between atoms?
A
Metallic bond
B
Ionic bond
C
Hydrogen bond
D
Covalent bond

Slide 9 - Quizvraag

Which of the following is a characteristic of a covalent bond?
A
Strong electrostatic attraction
B
Shared electrons
C
Transfer of electrons
D
Formation of ions

Slide 10 - Quizvraag

What is the primary bonding force in a covalent bond?
A
Electrostatic force
B
Magnetic force
C
Gravitational force
D
Van der Waals force

Slide 11 - Quizvraag

What is the nature of the bond between two nonmetal atoms in a covalent bond?
A
Unstable
B
Weak
C
Strong
D
Temporary

Slide 12 - Quizvraag

What is the typical bond length in a covalent bond?
A
Variable
B
Infinite
C
Long
D
Short

Slide 13 - Quizvraag

Slide 14 - Tekstslide

Describe metallic bonding.

Slide 15 - Open vraag

What type of bonding involves the sharing of delocalized electrons between metal atoms?
A
Hydrogen bonding
B
Covalent bonding
C
Metallic bonding
D
Ionic bonding

Slide 16 - Quizvraag

What is the primary reason for the high electrical conductivity of metals?
A
Ionic bonds
B
Delocalized electrons
C
Molecular structure
D
Covalent bonds

Slide 17 - Quizvraag

What is the typical state of matter for metals at room temperature?
A
Plasma
B
Solid
C
Liquid
D
Gas

Slide 18 - Quizvraag

What property of metals allows them to be hammered into thin sheets?
A
Malleability
B
Rigidity
C
Flexibility
D
Brittleness

Slide 19 - Quizvraag

What is the term for the ability of metals to be drawn into wires?
A
Ductility
B
Inertia
C
Elasticity
D
Fracture toughness

Slide 20 - Quizvraag

Which one shows a
covalent bond?
A
Left: because they are sharing electrons
B
Right: because electrons are transferred
C
Both
D
None

Slide 21 - Quizvraag

Which of the following will not be involved in a covalent bond?
A
carbon
B
magnesium
C
hydrogen
D
fluorine

Slide 22 - Quizvraag

Covalent bonds are formed between non metals:

Which of the following will not be involved in a covalent bond?
A
carbon
B
magnesium
C
hydrogen
D
fluorine

Slide 23 - Quizvraag

Which of the following elements will not form a covalent bond?
A
Helium
B
Boron
C
Sulfur
D
Iodine

Slide 24 - Quizvraag

Which type of bond forms ions
A
metallic
B
covalent
C
ionic

Slide 25 - Quizvraag

Which bond does not form ions
A
metallic
B
covalent
C
ionic

Slide 26 - Quizvraag

In an ionic bond, electrons are transferred from the ______ to the ______.
A
Orbital, suborbital
B
Metal, nonmetal
C
Valence, core
D
Nonmetal, metal

Slide 27 - Quizvraag

Define ionic bonding
A
Electrostatic attraction between two charged ions
B
Electrostatic attraction between two similarly charged ions
C
Electrostatic attraction between two oppositely charged ions
D
Electrostatic attraction between two non charged ions

Slide 28 - Quizvraag

Ionic bonding occurs in...
A
Metals
B
Metals and non-metals
C
Non-metals

Slide 29 - Quizvraag

Which of the following is a characteristic of covalent bonds?
A
They are typically found in metals.
B
They are formed between nonmetal atoms.
C
They involve the transfer of electrons.
D
They are always polar.

Slide 30 - Quizvraag

In a double covalent bond, how many pairs of electrons are shared between the bonded atoms?
A
Three pairs
B
Two pairs
C
One pair
D
Four pairs

Slide 31 - Quizvraag

What is the strongest type of chemical bond?
A
Van der Waals bond
B
Hydrogen bond
C
Covalent bond
D
Ionic bond

Slide 32 - Quizvraag

Which of the following is a characteristic of an ionic bond?
A
Formation of ions
B
Sharing of electrons
C
High electrical conductivity
D
Malleability and ductility

Slide 33 - Quizvraag

What type of bonding involves the transfer of electrons?
A
Covalent bonding
B
Metallic bonding
C
Hydrogen bonding
D
Ionic bonding

Slide 34 - Quizvraag

What happens to the electrons in an ionic bond?
A
Formation of molecular orbitals
B
Transfer from one atom to another
C
Sharing between atoms
D
Absorption into the nucleus

Slide 35 - Quizvraag

What type of bonding happens in diamond?
A
Covalent
B
Ionic
C
Metallic

Slide 36 - Quizvraag

Which type of bonding shares electrons?
A
Covalent
B
Ionic
C
Metallic

Slide 37 - Quizvraag

Which type of bonding happens in alloys?
A
Covalent
B
Ionic
C
Metallic

Slide 38 - Quizvraag