Chemistry Unit 1,2,3 Test

Description

Grade 11 Chemistry Quiz on Chemistry Unit 1,2,3 Test, created by Bohdan Hrotovytskyy on 14/10/2018.
Bohdan Hrotovytskyy
Quiz by Bohdan Hrotovytskyy, updated more than 1 year ago
Bohdan Hrotovytskyy
Created by Bohdan Hrotovytskyy about 6 years ago
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Resource summary

Question 1

Question
What is chemistry?
Answer
  • 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

Question 2

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

Question 3

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

Question 4

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

Question 5

Question
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].
Answer
  • 400 BCE
  • matter
  • atomos
  • 200 BCE
  • protons
  • quarks
  • atomns

Question 6

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

Question 7

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

Question 8

Question
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].
Answer
  • 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

Question 9

Question
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.
Answer
  • plum pudding model
  • pomegranate model
  • electrons
  • protons
  • gold foil experiment
  • cathode ray experiment
  • positively charged nucleus
  • quarks
  • neutral neutron
  • positron

Question 10

Question
Bohr Rutherford diagrams look as follows.
Answer
  • True
  • False

Question 11

Question
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].
Answer
  • atomic number
  • atomic mass
  • element symbol
  • atomic mass
  • atomic number
  • element symbol
  • element symbol
  • atomic number
  • atomic mass

Question 12

Question
Valence electron are electron on the second outermost shell.
Answer
  • True
  • False

Question 13

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

Question 14

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

Question 15

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

Question 16

Question
Positive ions are [blank_start]cations[blank_end] and negative ions are [blank_start]anions[blank_end].
Answer
  • cations
  • anions

Question 17

Question
Anions and Cations come together to form a molecular compound.
Answer
  • True
  • False

Question 18

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

Question 19

Question
Polyatomic ions are ions that consist of more than one atom.
Answer
  • True
  • False

Question 20

Question
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]
Answer
  • Mg^(2+)
  • Na^(+)
  • NH4^(+)
  • SO4^(2-)
  • ClO3^(-)
  • PO4^(3-)
  • CO3^(2-)
  • CN^(-)
  • OH^(-)
  • HCO3^(-)
  • NO3^(-)

Question 21

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

Question 22

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

Question 23

Question
How are isotopes distinguished?
Answer
  • atomic mass
  • number of protons
  • charge

Question 24

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

Question 25

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

Question 26

Question
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].
Answer
  • helium atom nucleus
  • negatively charged electrons
  • paper
  • aluminium
  • Gamma rays
  • lead

Question 27

Question
Radioactive isotopes are isotopes that decay to form nuclear radiation.
Answer
  • True
  • False

Question 28

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

Question 29

Question
The periodic table contains almost all of the known elements.
Answer
  • True
  • False

Question 30

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

Question 31

Question
What are the properties of alkali metals?
Answer
  • 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

Question 32

Question
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.
Answer
  • True
  • False

Question 33

Question
Metalloids are found along the staircase.
Answer
  • True
  • False

Question 34

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

Question 35

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

Question 36

Question
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.
Answer
  • True
  • False
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