Scmh 1010 Exam 2 Vogel Updated Actual Questions And Correct Answers.

SCMH 1010 EXAM 2 VOGEL UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question 1
The difference between nuclear fusion and nuclear fission is that:
Correct Answer
Fusion combines two nuclei into one and fission splits the nucleus apart.



Question 2
emission spectra

Correct Answer
either continuous or line spectra of radiation emitted by substances



Question 3
Solids that do not have long-range order to the arrangement of their atoms are
called:
Correct Answer
glass



Question 4
what are colors?
Correct Answer
the aspect of things that is caused by differing qualities of light being reflected or
emitted by them




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,Question 5
Which makes the best electrical conductor?
Correct Answer
metallic bonds



Question 6
Diffraction & scattering
Correct Answer
objects on earth's surface diffract & scatter radio waves, wave energy is re-directed
downward following the earth's surface.



Question 7
How do longitudinal waves work?
Correct Answer
the particles are displaced parallel to the direction the wave travels



Question 8
Lithium typically loses one electron and oxygen typcically gain two electrons. What
ionic molecule forms between lithium and oxygen?
Correct Answer
Li2O



Question 9
Why is water special?
Correct Answer
-good solvent
-high heat capacity/thermal inertia
-unusual density properties




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,Question 10
An electrically neutral particle in the nucleus of an atom is called
Correct Answer
a neutron.



Question 11
An atom that has gained or lost electrons is known as
Correct Answer
an ion.



Question 12
Covalent solids are held together because of:
Correct Answer
a sharing of electrons.



Question 13
reflection of waves
Correct Answer
When a wave bounces back from a surface instead of passing
through it.



Question 14
Inert gases:
Correct Answer
Seldom form bonds or molecules



Question 15
what helps scientists discover new elements
Correct Answer
particle accelerators




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, Question 16
Static electricity exists when there is an unbalance among the number of:
Correct Answer
Electrons



Question 17
Which sound wave frequency is outside the range of a human's ability to detect?
Correct Answer
5 Hz



Question 18
When you persistently rub a piece of amber with dry wool or fur, what happens?
Correct Answer
The amber will build up a static electrical charge



Question 19
Chemical bonds occur when electrons are __________ atoms.
Correct Answer
rearranged between



Question 20
how do surface waves work?
Correct Answer
particles of the medium move up and down as well as back and forth in an overall
circular motion



Question 21
The Nobel laureate Marie Curie died as a result of:
Correct Answer
radiation exposure.




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