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Periodic Table And Atoms Part Two
Test Description: This test is based on 8th-grade science TEKS 8.5A and 8.5B. It addresses atoms and the periodic table of the elements.
Instructions: Answer all questions to get your test result.
1) Protons determine an element's _________________.
A
identity
B
reactivity
C
passivity
D
character
2) Valence electrons determine an element's ___________.
A
reactivity
B
passivity
C
character
D
identity
3) Valence electrons are located in the __________.
A
energy level closest to the nucleus.
B
outermost energy level.
C
middle energy level.
D
nucleus
4) The horizontal rows on the Periodic Table are the ___________.
A
groups
B
protons
C
neutrons
D
periods
5) The vertical columns on the Periodic Table are the __________.
A
groups
B
protons
C
periods
D
neutrons
6) Periods identify the amount of __________ an atom has.
A
molecules
B
nuclei
C
energy levels or shells (rings)
D
valence electrons
7) Groups identify how many ______________ an atom has.
A
molecules
B
nuclei
C
energy levels or shells (rings)
D
valence electrons
8) Atomic number and mass ______________ from left to right on the Periodic Table.
A
have no pattern
B
do not change
C
decrease
D
increase
9) Groups (or families) on the Periodic Table are elements that have:
A
exactly the same chemical properties.
B
similar chemical properties.
C
no identifiable chemical properties.
D
no specific location on the Periodic Table.
10) Groups 1 and 2 are the __________.
A
least reactive metals.
B
most reactive metals.
C
noble gases.
D
least reactive metalloids.
11) Group 18 are the _______.
A
Lanthanides.
B
Halogens
C
Alkali Metals
D
Noble Gases
12) The element located at period 6, group 16 is:
A
Livermorium
B
Cesium
C
Polonium
D
no element at that location
13) The element located at period 2, group 7 is:
A
Flourine
B
Technetium
C
Radium
D
Oxygen
*select an answer for all questions
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