Download Chapter 5 Review

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Moscovium wikipedia, lookup

Einsteinium wikipedia, lookup

Lawrencium wikipedia, lookup

Livermorium wikipedia, lookup

Promethium wikipedia, lookup

Neptunium wikipedia, lookup

Seaborgium wikipedia, lookup

Valley of stability wikipedia, lookup

Abundance of the chemical elements wikipedia, lookup

Oganesson wikipedia, lookup

Dubnium wikipedia, lookup

Periodic table wikipedia, lookup

Tennessine wikipedia, lookup

Isotope wikipedia, lookup

Chemical element wikipedia, lookup

History of molecular theory wikipedia, lookup

Ununennium wikipedia, lookup

Extended periodic table wikipedia, lookup

Unbinilium wikipedia, lookup

Transcript
Chapter 4 Atomic Structure
Review
Pioneer High School
Mr. David Norton
Chapter 4 Review
What is the smallest particle of an
element that retains the properties
of that element?
 Who first suggested the idea of
atoms, in the 4th century b.c.?
 The number of atoms in a copper
coin suggests that ...

Chapter 4 Review
Know the ideas of Dalton’s atomic
theory.
 What particles form the nucleus of
an atom?
 What parts of Dalton’s original
atomic theory were revised about a
century ago?

Chapter 4 Review
Know about the discovery of
electrons.
 Why did J. J. Thomson reason that
electrons must be a part of the
atoms of all elements?
 What hypothesis led to the
discovery of the proton?

Chapter 4 Review
Who discovered the neutron, and in
what year?
 How does the mass of a neutron
compare to the mass of a proton?
 Dalton theorized that atoms are
indivisible, and atoms of the same
element are identical. Today ...

Chapter 4 Review
As a result of the discovery of the
nucleus by Rutherford, what model
described an atom?
 Describe the nucleus of an atom.
 Know the properties of the electron.
 Atoms have what charge, and how
many protons and electrons?

Chapter 4 Review
Describe the number of protons and
electrons in a given element, such as
In.
 The atomic number of an element is
the total number of …
 An element has an atomic number of
80. How many protons & electrons?

Chapter 4 Review
The mass number of an element is
equal to …
 How are the number of neutrons in
the nucleus of an atom calculated?
 The sum of the protons and
neutrons in an atom equals the ...

Chapter 4 Review
Using the periodic table, determine
the number of neutrons in 16O.
 How many protons, electrons, and
neutrons does an atom with an
atomic number of 50 and a mass
number of 120 contain?

Chapter 4 Review
How do the isotopes of hydrogen-1
and hydrogen-2 differ?
 What does the number 84 in the
name krypton-84 represent?
 What unit is used to measure
average relative atomic mass?

Chapter 4 Review
Different elements have different
numbers of …
 All atoms of the same element have
the same …
 Why do chemists use relative
comparisons of masses of atoms?

Chapter 4 Review
What does one atomic mass unit
(a.m.u.) equal?
 Isotopes of the same element have
different ____ and ____.
 What does 23892U represent?
 Compare 8038X and 8138X.

Chapter 4 Review
What are isotopes?
 Compare 2010X and 2110X.
 The atomic mass of an element is
equal to …
 Calculate average atomic mass if one
isotope of mass 20 is 25 % abundant,
and another has a mass 22 is 75%?

Chapter 4 Review
The atomic mass of an element
depends on ____, _____, and ___.
 What are the Group A elements also
known as?
 Which is/are a representative
element(s)? Fe, Hg, U, Te, or Y

Chapter 4 Review
Of the elements Pt, Sc, V, Li, and
Kr, which is/are nonmetal(s)?
 What is each vertical column of
elements in the periodic table
called?
 Approximately how many elements
exist today?

Chapter 4 Review
What criterion is used to arrange
the elements in rows and columns
on the periodic table?
 What category (metals, nonmetals,
or metalloids) includes the majority
of the elements?

Chapter 4 Review
A mystery element, Q, is a
nonlustrous solid and a poor
conductor of electricity. To what
category of elements does it
belong?
 Who first arranged the elements
according to nuclear charge?
