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The periodic table
The periodic table
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The Periodic Table and Atomic Structure Pt 1
Flashcards
13 cards
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Practice quiz
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Questions
13
Answers
1
Every atom of a given element has the same number of?
electrons
isotopes
neutrons
protons
2
How would you describe the nucleus?
mostly empty space, positively charged
tiny, negatively charged
dense, negatively charged
dense, positively charged
3
What is the meaning of the word
atom
?
not able to be divided
dividable
invisible
hard particles
4
Where are electrons likely to be found?
in the nucleus
in electron clouds
mixed throughout an atom
in definite paths
5
The elements in each vertical column on the PT usually have similar properties and are called?
<p>column</p>
group
period
row
6
The smallest particle which an element can be divided and have the same properties is called?
nucleus
electron
atom
neutron
7
Most metals are?
bad conductors of electric current
not malleable
dull
solid at room temperature.
8
The elements to the right of the zigzag line on the periodic table are called?
conductors
nonmetals
metals
metaloids
9
A carbon atom with 6 protons, 6 electrons, and 6 neutrons would have a mass number of?
18
12
6
15
10
Which of the following has the least mass in an atom?
proton
electron
nucleus
neutron
11
Which statement is true about isotopes of the same element?
They have the same mass
They have the same number of protons
They have a different atomic number
They have the same number of neutrons
12
The word
periodic
describes?
something that occurs frequently
something that occurs at regular intervals
something that occurs very rarely
something that occurs three or four times a year
13
If an isotope, uranium-235, has 92 protons, how many protons does the isotope uranium-238 have?
95
146
143
92
