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Geology Section 5.1 Homework: Matter and Atoms: Due Thursday, 10/10/13
Read section 5.1: Matter and Atoms, pages 90-95. Answer the following questions.
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Last Name, First Name
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Your answer
Period (Do not put nd, rd, or th after the number.)
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Your answer
An isotope is an element that has an imbalance of
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protons and electrons
neutrons and electrons
protons and neutrons
Matter is anything that has
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mass
volume
both option 1 and 2 are correct
none of the above are correct
The atomic mass number is the sum of
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protons and electrons
neutrons and electrons
protons and neutrons
Consult your periodic table on pages 698-699 to answer the following. What is the name of a radioactive element that has 92 protons, 146 neutrons, and 92 electrons?
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Uranium 235
Uranium 238
Thorium 232
Proactinium 231
Why do the symbols for some elements like Gold (Au) and Lead (Pb) look nothing like the names for those elements?
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Scientists are always trying to confuse the general public
A few of the elements' symbols are based on their Latin names
Lead used in plumbing made people crazy so they called it Pb
So people could tell Gold "A u, get outta here!" Get it???
An atom walks in to Starbucks sobbing and sad and says "barista, I think I've lost an electron." The barista says "Are you sure?" What did the atom say?
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Your answer
Which of the following atomic particles is involved in chemical bonding?
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proton
neutron
electron
neutrino
Look at the periodic table on pages 698-699. Why do most of the atomic mass numbers have decimals after the whole number?
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Your answer
Unlike the proton or neutron, the electron has essentially no
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mass
charge
atomic number
volume
More bad jokes in your homework. What did the Starbucks barista say to the neutron after serving him a latte?
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Your answer
Elements in the same vertical column (group) on a periodic table have ________________ chemical properties.
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similar
different
Which of the following chemical bonds involves the sharing of electrons?
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ionic
covalent
metallic
Calcium likes to form a 2+ ion. This means that it will have
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20 protons, 20 neutrons, and 22 electrons
20 protons, 20 neutrons, and 18 electrons
20 protons, 20 neutrons, and 20 electrons
40 protons, 20 neutrons, and 18 electrons
With the exception of a few minerals like Gold, Platinum, Sulfur, and Silver, most minerals will form from the chemical combination of two or more elements. This is known as
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a molecule
a compound
a pure element
a family
Look at the periodic table on pages 698-699. Tell me about at least 3 elements (or compounds if you know them) that you use in everyday life.
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Your answer
Which of the following particles determines the identity of an element (ie: the atomic #)?
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Proton
Neutron
Electron
Most of the elements on the periodic table are
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metals
non-metals
metalloids (elements that share properties of metals and non-metals)
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