Quiz
CM1020 Henderson
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Questions in this quiz (47)
1What is an element?
- AA single substance that cannot be split
into any more separate substances by chemical
means - BSmallest particle into which an element
can be divided, while still retaining the properties
of the element - CPure chemical substance consisting of
two or more chemical elements
- AA single substance that cannot be split
2What is an atom?
- AA single substance that cannot be split into any more separate substances by chemical
means - BSmallest particle into which an element can be divided, while still retaining the properties
of the element - CPure chemical substance consisting of
two or more chemical elements
- AA single substance that cannot be split into any more separate substances by chemical
3What is a compound?
- AA single substance that cannot be split into any more separate substances by chemical
means - BSmallest particle into which an element can be divided, while still retaining the properties of the element
- CPure chemical substance consisting of
two or more chemical elements
- AA single substance that cannot be split into any more separate substances by chemical
4What is a subatomic particle?
- ASeparated particles that do not behave like the element. Protons, neutrons and electrons
- BA much larger particle than an atom
- CA cluster of atoms bonded together by covalent bonds
- DAll of the above
5What is an anion?
- AA negatively charged ion
- BA positively charged ion
6What is a cation?
- AA negatively charged ion
- BA positively charged ion
7What is the order of an atoms orbitals?
- As, p, d, f
- Bs, d, p, f
- Cf, p, s, d
- Dp, d, s, f
8How many orbitals does the first shell have?
- A1s
- B2s
- C8s
- D1s & 3p
9How many orbitals does the second shell have?
- A1s & 3p
- B3s
- C3p
- D1s & 3f
10How many orbitals does the third shell have?
- A1s, 3p & 5d
- B1s & 3p
- C3s, 1p & 1d
- D5d
11How many orbitals does the fourth shell have?
- A1s, 3p, 5d & 7f
- B1s, 5p, 1d & 3f
- C1s
- D1s, 5p, 3f
12What is the Pauli exclusion principle?
- APrevents electrons crowding round the nucleus, as they spin in opposite directions
- BAllows electrons in orbitals to group together
- CPrevents orbitals from crowding one another
- DAll of the above
13What is the 'Aufbau' principal?
- ALow energy orbitals fill up with electrons before high energy orbitals
- BHigh energy orbitals fill up with electrons before low energy orbitals
14In atoms, the outermost shell (or shell 4) has the highest energy
- ATrue
- BFalse
15What does degenerate mean?
- AWhere a subshell has more than one orbital, all orbitals within that subshell have the same energy
- BEach orbital in a subshell must be occupied by one electron before any one of the orbitals becomes filled
16What is Hund's rule?
- AEach degenerate orbital in a subshell must be occupied by one electron before any one of the orbitals becomes filled
- BWhere a subshell has more than one orbital, all orbitals within that subshell have the same energy
17[blank_start]Electrons[blank_end] only possess specific energies and occupy defined orbitals, but [blank_start]not[blank_end] restricted to always stay in a particular orbital
[blank_start]Low[blank_end] energy given energy boost to vacant [blank_start]higher[blank_end] energy orbital- AElectrons
- BAtoms
- CLow
- DHigh
- Ehigher
- Flower
- Gnot
- Hare
18Energy of a give orbital is not fixed
- ATrue
- BFalse
19Are higher energy orbital electrons less or more stable?
- ALess
- BMore
20What is electron excitation?
- AWhen higher energy orbital electrons are less stable and 'fall' to the ground state emitting energy
- BWhen an atom absorbs energy that allows the electrons to move to higher orbitals
- CWhen an atom gains/ loses electrons
- DThe movement of protons and neutrons in the nucleus
21What takes place when 11-cis-retina absorbs a photon of light?
- ARhodopsin is activated
- BBiochemical reactions are triggered
- CElectrical impulses are released
- DConverted by the brain into vision
- EChanges structure/ shape
22[blank_start]High[blank_end] energy radiation has a [blank_start]short[blank_end] wavelength
[blank_start]Low[blank_end] energy radiation has a [blank_start]long[blank_end] wavelength- AHigh
- BLow
- Cshort
- Dlong
- ELow
- FHigh
- Glong
- Hshort
23In the line emission spectrum, increasing wavelength means what?
- ADecreasing energy
- BIncreasing energy
- CIncreasing amplitude
- DDecreasing amplitude
24What is a continuous spectrum?
- AAll frequencies of light are emitted
- BDiscrete frequencies of light are emitted
25What is an atomic spectrum?
- AAll frequencies of light are emitted
- BDiscrete frequencies of light are emitted
26Shell which holds electrons furthest from the nucleus is called the atomic shell
- ATrue
- BFalse
27Why do atoms bond?
- ATo gain stability by the rearrangement of electrons
- BTo gain electrons
- CTo lose electrons
- DAll of the above
28What is the octet rule?
- AA valence shell is full once it contains 8 electrons
- BWhen the outer shell of an atom has less than 8 electrons
- CWhen an atom has 8 electrons in total
- DDefines the valency of an atom
29What is a covalent bond?
- AThe sharing of electrons between two atoms
- BThe donation of electrons from one atom to another
30What is an ionic bond?
- AThe sharing of electrons between two atoms
- BThe donation of electrons from one atom to another
31Extended lattices are a regular network of atoms
- ATrue
- BFalse
32Atoms joined by covalent bonds are discrete molecules
- ATrue
- BFalse
33Orbitals overlap to share electrons in a covalent bond
- ATrue
- BFalse
34What is formed when atomic orbitals overlap?
- AMolecular orbitals
- BElectron orbitals
- CIon orbitals
- DNothing is formed
35Which type of orbitals have a low energy/ large stability?
- ABonding orbitals
- BNon-bonding orbitals
36Which types of orbital shapes do molecular orbitals form?
- ASigma bond orbital
- BPi bond orbital
- CS orbital
- DP orbital
- EF orbital
37In the sharing of electrons;
Sharing one pair of electrons results in a [blank_start]sigma[blank_end] bond
Sharing two pairs of electrons results in a [blank_start]sigma[blank_end] bond and a [blank_start]pi[blank_end] bond
Sharing three pairs of electrons results in a [blank_start]sigma[blank_end] bond and two [blank_start]pi[blank_end] bonds- Asigma
- Bpi
- Csigma
- Dpi
- Epi
- Fsigma
- Galpha
- Halpha
- Isigma
- Jpi
- Kpi
- Lsigma
- Malpha
- Nbeta
38What is the name for when elements can house more than 8 valence electrons?
- AOctet expansion
- BHypervalency
- CBoth answers
39What is a dative covalent bond?
- AA covalent bond where both electrons come from the same atom
- BA bond where electrons are donated from external environments
- CAll of the above
- DA covalent bond involving more than two electrons being shared
40What is a polyatomic compound?
- AA compound with both covalent and ionic bonding
- BA compound with more than one ionic bond
- CA compound with more than one covalent bond
- DA compound with at least two double or triple bonds
41Select all of the examples of polyatomic ions
- AHydroxide
- BCarbonate
- CPhosphate
- DAmmonium
- EHydrogen
- FSodium
42In ionic bonding, electrons are transferred less readily than in covalent bonding
- ATrue
- BFalse
43What does 'inert' mean?
- AElectrons that are very tightly bound to an atom
- BElectrons that are very loosely bound to an atom
- CElectrons that are free moving in the atmosphere
- DAll of the above
44What is the electronegativity of an electron?
- AHow strongly an atom can attract an electron
- BThe number of atoms on the outermost shell
- CThe energy required for an atom to lose an electron
- DThe energy emitted by an atom during ionic bonding
45What are polarised bonds?
- AA covalent bond where the electrons are not evenly shared between the two joined atoms due to electronegativity differences
- BA covalent bond
- CAn ionic bond where the electrons are not evenly shared between the two joined atoms due to electronegativity differences
- DNone of the other answers
46The atom with the highest electronegativity in a covalent bond will have the distribution of electrons skewed towards itself due to its partial negative charge
- ATrue
- BFalse
47What is atomic mass and molar mass measured in?
- Ag/ mol
- Bmol/ g
- Cgrams
- Dmoles
Information
- Description
- Quiz on CM1020 Henderson, created by Samantha Reid on 01/12/2015.
- Author
- Samantha Reid
- Language
- English
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