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WorksheetsChemistry Ch. 4 - Elements, Atoms, and Ions
Total questions: 63
Worksheet time: 34mins
According to the textbook, how many elements are there?
88
115
27
100
How many elements are found in nature?
27
115
88
37
How many elements were created in a laboratory?
27
88
37
22
Many names of elements are derived from...
German
Latin
Greek
French
Some elements are named after
Plants
The places where they were discovered
Famous Scientists
Famous Authors
The philosopher who came up with the idea of Atomos, or what we know today as atoms.
Lao Tzu
Democritus
Pythagoras
Ibn Sina
The scientist who thought that each compound will always have a definite ratio of atoms
William Thomson
J.J. Thomson
Joseph Proust
Ernest Rutherford
A given compound always contains elements in exactly the same proportion by mass
Law of Conservation of Mass
Law of Constant Composition
Dalton's Atomic Theory
Newton's 2nd Law of Motion
States that ...
1) elements are composed of atoms.
2) atoms of same element are identical, but differ from other elements.
3) elements can mix together
4) atoms only change when mixed with other elements
Gold Foil Experiment
Plum Pudding Model
Dalton's Atomic Theory
Hitchhiker's Guide to the Galaxy
Initially, scientists thought that atoms were...
Solid
Liquid
Gaseous
A delicious dessert
(Dalton) Matter is not created nor destroyed in any chemical or physical change
Law of Constant mass
Law of Constant Proportion
Law of Conservation of proportion
Law of Conservation of Mass
A combination of chemical symbols and numbers to represent a substance
Isotope
Chemical Formula
Elemental Symbol
Quadratic Formula
A number that shows how many atoms of an element are in a compound.
Subscript
Superscript
Coefficient
Atomic Mass
Scientist who discovered the electron
Ernest Rutherford
William Thomson
J.J. Thomson
Warren G. Harding
The piece of equipment used in Thomson's experiment
Cathode ray tube
Gold Foil
Periodic Table
Plum Pudding
The first model of the atom, which consisted of negatively-charged electrons inside a positively-charged cloud.
Mendeleev Model
Blueberry Muffin Model
Rutherford Model
Plum Pudding model
Scientist who disproved the plum pudding model when he discovered the nucleus
Democritus
William Thomson
Ernest Rutherford
Dmitri Mendeleev
Experiment in which alpha particles were shot at a piece of gold foil; Led to the discovery of the proton and the nucleus.
Alpha Particle Experiment
Gold Foil Experiment
Cathode Ray Tube Experiment
Aluminum Foil Experiment
The majority of an atom is...
Filled by electrons
Empty Space
Solid
The Nucleus
A positively-charged subatomic particle.
Proton
Electron
Atom
Neutron
A subatomic particle with no charge.
Electron
Proton
Neutron
Element
A negatively-charged subatomic particle
Proton
Soup
Neutron
Electron
The part of the atom that accounts for most of its mass
Electron(s)
Nucleus
Empty Space
Plum Pudding
The subatomic particle that determines an atom's chemical properties
Proton
Electron
Neutron
Joseph Stalin
Atoms of the same element but with different numbers of neutrons
Compounds
Isotopes
Mixtures
Solutions
The number of protons in an atom's nucleus
Atomic Number
Proton Mass
Mass number
Atomic Mass
The number of protons and neutrons combined within an atom's nucleus
Mass number
Atomic mass
Nuclear number
Nuclear mass
What is the element, mass number, and atomic number shown in this image?
Copper; 63; 29
Copper; 29; 63
Curium; 29; 63
Cobalt; 63; 29
What is the element, mass number, and atomic number of the isotope shown in this image?
Beryllium; 4; 9
Barium; 9; 4
Beryllium; 9; 4
Beef; 9; 4
The creator of the periodic table
Ernest Rutherford
Dmitri Mendeleev
Democritus
George W. Bush
What type of element makes up the majority of the periodic table?
Non-Metal
Metalloid
Metal
Metallica
What type of element usually comes in the form of a gas?
Metal
Metalloids
Mercury
Non-metals
What type of element is typically shiny and brittle?
Gas
Metal
Metalloid
Non-metal
Why was Mendeleev's organization of the elements better than previous arrangements?
It gave the mass number of each element
It was in alphabetical order
It allowed for the addition of unknown elements
It gave each element a symbol
Trends in the properties of certain elements; Allows for the prediction of new elements
Families
Periodicity
Atomic Mass
Ductility
Common Properties of Metal include:
Malleability
Poor conductors
Ductility
Solid at room temperature
Common properties of metalloids include:
A lustrous appearance
Poor conductors
Very brittle
High ductility
What is the chemical formula for an ionic compound with magnesium(2+ charge) and nitride(3- charge)?
Mg₂N₃
Mg₃N₂
Mg₂N₂
Mg₃N₃
What is the chemical formula for a compound with twice as many hydrogen atoms as carbon atoms, and as many oxygen atoms as carbon atoms.
C₆H₁₂O₆
C₁₂H₆O₁₂
₆C₁₂H₆O
C6H12O6
Vertical columns on the periodic table are referred to as...
Chalcogens
Families
Periods
Rows
Horizontal rows on the periodic table are referred to as...
Series
Groups
Families
Periods
Elements in the first group on the periodic table are called...
Transition Metals
Alkaline Earth Metals
Alkali Metals
Noble Metals
Elements in the same _________ have similar properties
Group
Period
Table
Physical state
These three metals are called noble metals because they are found in their pure form.
Copper, Silver, Iron
Gold, Copper, Iron
Silver, Gold, Iron
Silver, Platinum, Gold
The ______ don't combine readily with other elements.
Halogens
Noble gases
Alkali Metals
Noble metals
There are _ diatomic molecules.
7
6
10
2
Different forms of an element due to the arrangement of its atoms
Compounds
Allotropes
Isotopes
Ions
An atom or group of atoms with a positive or negative charge.
Ion
Proton
Compound
Molecule
(T/F) Ions are formed by changing the number of electrons or protons in an atom.
True
False
How do you express an ion with 11 protons and 8 electrons?
Na° => Na³⁺+3e⁻
Na° => Na³⁺-3e⁻
Na° => Na⁺+3e⁻
Na°+3e⁻ => Na³⁺
How do you express an atom with 6 protons and 8 electrons?
C° => C²⁻+2e⁻
C°-2e⁻ => C²⁻
C°+2e⁻ => C²⁺
C°+2e⁻ => C²⁻
How do you express an ion with 3 protons and 2 electrons?
Li° => Li⁺-1e⁻
Li° => Li⁺+1e⁻
Li°+1e⁻ => Li⁺
Li° => Li°+1e⁻
___ are ions with a positive charge, and ___ are ions with a negative charge.
Cations; Anions
Protons; Electrons
Anions; Cations
Protons; Electrons
An anion of chlorine could also be called...
Christopher
Chloride
Chlorite
Clorium
Mendeleev made his period table before the discovery of these...
Subatomic Particles
Atoms
cheese curds
The Americas
Which of the following are metalloids?
Barium
Silicon
Phosphorus
Germanium
Arsenic
Which of these are diatomic molecules?
Sodium
Hydrogen
Obamium
Krypton
Chlorine
Element named in the honor of Mendeleev.
Mendovium
Meitnerium
Mendelevium
Molybdenum
Why do ionic compounds have a high melting point?
They have strong bonds
They do not dissolve in water
They have a positive charge
They have a low specific heat capacity
When do ionic compounds conduct electricity?
As a gas
When dissolved in water
As a solid
As a liquid
What is the formula for an ionic compound with calcium(2+ charge) and chloride(-1 charge)
CaCl₂
Ca₂Cl
CaCl
Ca₂Cl₂
Properties of ionic compounds include:
High melting point
Low boiling point
Conductive while in liquid form
Magnetic
Which is not a way to express an ionic compound with sodium and chlorine?
NaCl
Na⁺Cl⁻
Na°Cl°
Sodium Chloride
