Final Exam Review B Question Preview (ID: 27988)
Trimester 1 Environmental Science Review.
TEACHERS: click here for quick copy question ID numbers.
During which phase transition does matter in the solid state change to a liquid with the addition of heat energy?
a) fusion
b) freezing
c) sublimation
d) condensation
On a BOTG, the independent variable is always
a) behavior
b) time
c) velocity
d) position
The formula, H2SO4, represents a
a) atom
b) element
c) compound
d) mixture
Which of the following would NOT be found on the periodic table?
a) water (H2O)
b) Chromium (Cr)
c) Cadmium (Cd)
d) Rubidium (Rb)
The atomic number of an element is determined by the number of
a) nucleons
b) protons
c) electrons
d) neutrons
Which of the following is true about the element, Beryllium (Be)?
a) It has an atomic number of 2.
b) It has an atomic mass of 2.
c) It has 2 valence electrons.
d) It contains 2 protons.
Which of the following is a homogeneous mixture?
a) mixed nuts
b) trail mix
c) pasta salad
d) air
Which state of matter takes the shape of its container?
a) solid only
b) liquid only
c) gas only
d) liquid and gas
The overall charge of the nucleus of an atom is
a) positive
b) negative
c) neutral
d) cannot be determined without additional information
Calcium has a charge of 2+. It is a(n)
a) atom
b) ion
c) cation
d) anion
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