Chemistry Unit 1,2,3 Test

Beschreibung

Grade 11 Chemistry Quiz am Chemistry Unit 1,2,3 Test, erstellt von Bohdan Hrotovytskyy am 14/10/2018.
Bohdan Hrotovytskyy
Quiz von Bohdan Hrotovytskyy, aktualisiert more than 1 year ago
Bohdan Hrotovytskyy
Erstellt von Bohdan Hrotovytskyy vor etwa 6 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
What is chemistry?
Antworten
  • Chemistry is the central science that connects Physics to Biology
  • Chemistry is the science that represents the world through math
  • Chemistry is the science that describes all living things

Frage 2

Frage
Bucky balls are carbon lattice structures that contain [blank_start]______[blank_end] carbons.
Antworten
  • 60

Frage 3

Frage
The IUPAC is an organization that regulates the physical laws of chemistry.
Antworten
  • True
  • False

Frage 4

Frage
Chemistry is the study of [blank_start]_________[blank_end] and its interactions.
Antworten
  • matter

Frage 5

Frage
Around [blank_start]_______[blank_end], early Greek philosophers argued that [blank_start]_________[blank_end] could be subdivided into tiny indivisible particles called [blank_start]_________[blank_end].
Antworten
  • 400 BCE
  • matter
  • atomos
  • 200 BCE
  • protons
  • quarks
  • atomns

Frage 6

Frage
Democritus stated that atoms have different sizes, are never in motion and are separated by empty space.
Antworten
  • True
  • False

Frage 7

Frage
In around the 17th century, alchemists explored the nature of matter intensely. They searched for exclusive prizes such as the alchemy of life.
Antworten
  • True
  • False

Frage 8

Frage
Dalton proposed that... - all mater is made up of tiny [blank_start]indivisible particles[blank_end] called [blank_start]atoms[blank_end] - all atoms of the of an element are [blank_start]identical[blank_end] - atoms of different elements are [blank_start]different[blank_end] - atoms are rearranged from [blank_start]new substances[blank_end] in chemical reactions, but they are never created nor [blank_start]destroyed[blank_end].
Antworten
  • indivisible particles
  • atoms
  • identical
  • different
  • new substances
  • destroyed
  • atoms
  • indivisible particles
  • identical
  • different
  • identical
  • new substances
  • indivisible particles
  • different
  • different
  • identical
  • indivisible particles
  • new substances
  • atoms
  • energy
  • destroyed
  • bombarded
  • constructed

Frage 9

Frage
Thompson created the [blank_start]plum pudding model[blank_end] from his experiment with a cathode ray and as a result discovered [blank_start]electrons[blank_end]. Ernest Rutherford performed the [blank_start]gold foil experiment[blank_end] and from this he deduced that there was a [blank_start]positively charged nucleus[blank_end]. Chadwick discovered the [blank_start]neutral neutron[blank_end] and Bohr proposed energy levels from his observation of photon emission.
Antworten
  • plum pudding model
  • pomegranate model
  • electrons
  • protons
  • gold foil experiment
  • cathode ray experiment
  • positively charged nucleus
  • quarks
  • neutral neutron
  • positron

Frage 10

Frage
Bohr Rutherford diagrams look as follows.
Antworten
  • True
  • False

Frage 11

Frage
Z represents the [blank_start]atomic number[blank_end]. A represents the [blank_start]atomic mass[blank_end]. X represents the [blank_start]element symbol[blank_end].
Antworten
  • atomic number
  • atomic mass
  • element symbol
  • atomic mass
  • atomic number
  • element symbol
  • element symbol
  • atomic number
  • atomic mass

Frage 12

Frage
Valence electron are electron on the second outermost shell.
Antworten
  • True
  • False

Frage 13

Frage
All atoms are in the search of a full octet to some extent.
Antworten
  • True
  • False

Frage 14

Frage
Noble gases are highly reactive as they constantly search to fill their octet.
Antworten
  • True
  • False

Frage 15

Frage
Ions are formed when...
Antworten
  • there is a loss or gain of electron
  • a nuclear fusion event occurs
  • a nuclear fission event occurs
  • an atoms is bombarded with protons

Frage 16

Frage
Positive ions are [blank_start]cations[blank_end] and negative ions are [blank_start]anions[blank_end].
Antworten
  • cations
  • anions

Frage 17

Frage
Anions and Cations come together to form a molecular compound.
Antworten
  • True
  • False

Frage 18

Frage
Element with multiple ion charges...
Antworten
  • are called multivalent
  • must have the charge shown when represented in an ionic compound
  • found among the transition metals
  • all of the above

Frage 19

Frage
Polyatomic ions are ions that consist of more than one atom.
Antworten
  • True
  • False

Frage 20

Frage
Magnesium ion [blank_start]Na^(2+)[blank_end], Sodium ion [blank_start]Na^(+)[blank_end], Ammonium [blank_start]NH4^(+)[blank_end], Sulphate [blank_start]SO4^(2-)[blank_end], Chlorate [blank_start]ClO3^(-)[blank_end], Carbonate [blank_start]CO3^(2-)[blank_end], Phosphate [blank_start]PO4^(3-)[blank_end], Cyanide [blank_start]CN^(-)[blank_end], Hydroxide [blank_start]OH^(-)[blank_end], Bicarbonate [blank_start]HCO3^(-)[blank_end], Nitrate [blank_start]NO3^(-)[blank_end]
Antworten
  • Mg^(2+)
  • Na^(+)
  • NH4^(+)
  • SO4^(2-)
  • ClO3^(-)
  • PO4^(3-)
  • CO3^(2-)
  • CN^(-)
  • OH^(-)
  • HCO3^(-)
  • NO3^(-)

Frage 21

Frage
99% of the human body is made of only 6 elements (oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus).
Antworten
  • True
  • False

Frage 22

Frage
Isotopes are atoms of the same element that have different numbers of protons.
Antworten
  • True
  • False

Frage 23

Frage
How are isotopes distinguished?
Antworten
  • atomic mass
  • number of protons
  • charge

Frage 24

Frage
Isotopic abundance is the percentage of an isotope in a sample of an element.
Antworten
  • True
  • False

Frage 25

Frage
What do scientists use to find the isotopic abundance of a given isotope?
Antworten
  • mass spectronomer
  • chemical analysis machine (CNM)
  • masser

Frage 26

Frage
Alpha particles have the same structure as a [blank_start]helium atom nucleus[blank_end] and can be blocked by [blank_start]paper[blank_end]. Beta particles are [blank_start]negatively charged electrons[blank_end] that can pass through paper but not through [blank_start]aluminium[blank_end]. [blank_start]Gamma rays[blank_end] are a high-energy electromagnetic radiation but it cannot pass through [blank_start]lead[blank_end].
Antworten
  • helium atom nucleus
  • negatively charged electrons
  • paper
  • aluminium
  • Gamma rays
  • lead

Frage 27

Frage
Radioactive isotopes are isotopes that decay to form nuclear radiation.
Antworten
  • True
  • False

Frage 28

Frage
Element X has isotopes X-200 (80%) and X-201(20%),. Calculate the atomic mass of element X.[blank_start]________[blank_end] amu
Antworten
  • 200.2

Frage 29

Frage
The periodic table contains almost all of the known elements.
Antworten
  • True
  • False

Frage 30

Frage
Hydrogen does not belong to a specific group of elements as it is an exception.
Antworten
  • True
  • False

Frage 31

Frage
What are the properties of alkali metals?
Antworten
  • Soft, sliver coloured element that is solid at room temperature and is highly reactive with water
  • Light, very reactive metal that is solid at room temperature and reacts with oxygen to form oxides

Frage 32

Frage
Transition metals are the metals that are found near the center of the periodic table. They are strong , hard metals with high melting points as well as good conductors of electricity. Many react with oxygen to form oxides. Some are multivalent.
Antworten
  • True
  • False

Frage 33

Frage
Metalloids are found along the staircase.
Antworten
  • True
  • False

Frage 34

Frage
Transuranic metals are those that have an atomic number greater then [blank_start]_________[blank_end].
Antworten
  • 93

Frage 35

Frage
Noble gases are gases at room temperature with high melting and boiling points. They are extremely unreactive.
Antworten
  • True
  • False

Frage 36

Frage
Halogens may be solid liquid or gas at room temperatures and are extremely reactive. They also exhibit non-metallic properties such as no lustre and non-conduction.
Antworten
  • True
  • False
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