Physical Science Review 4.2 Question Preview (ID: 14088)


Organization Of The Periodic Table. TEACHERS: click here for quick copy question ID numbers.

Rows in the periodic table are called _________ and columns are called __________
a) periods; columns
b) periods; groups
c) rows; groups
d) rows; columns

Elements in the same ____________ have _____________ properties
a) group; similar
b) group; different
c) period; similar
d) 2 of the choices

The expanded periodic table includes lanthanides and actinides in periods______ in between groups ___________
a) 6&7; 2&3
b) 2&3; 6&7
c) 3&4; 6&7
d) 6&7; 3&4

Which of the following is incorrect regarding chemical symbols?
a) They are derived from English or Pig Latin
b) They are 1 or 2 letters
c) They are abbreviations
d) none of the choices

Elements have an average atomic mass on the periodic table because
a) Different isotopes have a different number of neutrons
b) Different isotopes have a different number of protons
c) Different ions have a different number of neutrons
d) Different ions have a different number of protons

What conditions are necessary in order for elements to form?
a) high temperature
b) high pressure
c) plasma state of matter
d) all of the choices

When elements form:
a) pressure squeezes nuclei together and fusion occurs
b) pressure squeezes nuclei together and fission occurs
c) pressure pushes nuclei apart and fusion occurs
d) pressure pushes nuclei apart and fission occurs

When fusion occurs, atomic nuclei ___________ and ______________ a lot of energy
a) combine; release
b) combine; absorb
c) split; release
d) split; absorb

In the sun fusion most often occurs between isotopes of
a) hydrogen
b) helium
c) lithium
d) beryllium

Which of the following is incorrect regarding supernovas?
a) they occur when stars explode
b) they have temperatures above 1 000 000 000 degreees Celcius
c) They only have enough energy to make iron
d) They are believed by scientists to have created all matter billions of years ago

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