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Physical Science Review 4.2
Test Description: Organization of the Periodic Table
Instructions: Answer all questions to get your test result.
1) Rows in the periodic table are called _________ and columns are called __________
A
periods; columns
B
periods; groups
C
rows; columns
D
rows; groups
2) Elements in the same ____________ have _____________ properties
A
group; similar
B
group; different
C
2 of the choices
D
period; similar
3) The expanded periodic table includes lanthanides and actinides in periods______ in between groups ___________
A
3&4; 6&7
B
6&7; 2&3
C
2&3; 6&7
D
6&7; 3&4
4) Which of the following is incorrect regarding chemical symbols?
A
They are 1 or 2 letters
B
They are abbreviations
C
They are derived from English or Pig Latin
D
none of the choices
5) Elements have an average atomic mass on the periodic table because
A
Different ions have a different number of neutrons
B
Different isotopes have a different number of protons
C
Different isotopes have a different number of neutrons
D
Different ions have a different number of protons
6) What conditions are necessary in order for elements to form?
A
plasma state of matter
B
high pressure
C
high temperature
D
all of the choices
7) When elements form:
A
pressure pushes nuclei apart and fusion occurs
B
pressure squeezes nuclei together and fission occurs
C
pressure pushes nuclei apart and fission occurs
D
pressure squeezes nuclei together and fusion occurs
8) When fusion occurs, atomic nuclei ___________ and ______________ a lot of energy
A
combine; release
B
split; absorb
C
split; release
D
combine; absorb
9) In the sun fusion most often occurs between isotopes of
A
lithium
B
hydrogen
C
beryllium
D
helium
10) Which of the following is incorrect regarding supernovas?
A
they have temperatures above 1 000 000 000 degreees Celcius
B
They are believed by scientists to have created all matter billions of years ago
C
They only have enough energy to make iron
D
they occur when stars explode
*select an answer for all questions
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