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RC#1 STAAR Review Game
Test Description: RC1
Instructions: Answer all questions to get your test result.
1) Which of the following is correct?
A
protons (- charge), neutrons (+ charge), electrons (no charge)
B
protons (+ charge), neutrons (no charge), electrons (- charge)
C
protons (no charge), neutrons (- charge), electrons (+ charge)
2) To find neutrons you need to
A
atomic mass + atomic number
B
atomic number + atomic mass
C
atomic mass - atomic number
3) Which is correct?
A
Electrons and protons are in the nucleus
B
Electrons and protons are in the electron cloud
C
Protons and neutrons are in the nucleus
4) Valence electrons are found
A
In the inner most energy shell
B
In the nucleus
C
In the outer most energy shell
5) Period in the periodic table are found
A
on the side
B
up and down
6) Groups in the periodic table are found
A
on the side
B
up and down
7) Which atom would be the most reactive?
A
an atom with 1 valence electron
B
an atom with 8 valence electrons
C
an atom with 5 valence electrons
8) The last group/family to the right of the periodic table are called
A
metalloids
B
alkali metals
C
noble gases
9) How can you find the identify of an atom/element?
A
by the # of neutrons
B
by the # of protons
C
by the # of electrons
10) The periods in the periodic table tell you the amount of
A
valence electrons
B
energy shells
11) Which of the following is the least reactive atom?
A
an atom with 5 valence electrons
B
an atom with 8 valence electrons
C
an atom with 1 valence electron
12) An element that is shiny, malleable and good conductor
A
Nonmetal
B
Metalloid
C
Metal
13) An element that is dull, brittle, and dull
A
Metal
B
Nonmetal
C
Metalloid
14) Organic compounds musk contain
A
Nitrogen
B
Carbon
C
Oxygen
15) 4CO2 has how many Carbon atoms?
A
2
B
1
C
4
16) NaCl has how many elements?
A
2
B
1
C
3
17) 4NH3 has how many Hydrogen atoms?
A
1
B
12
C
3
18) Formation of precipitate from mixing 2 liquids
A
Chemical change
B
Physical change
19) Unexpected color change is evidence of chemical change
A
true
B
false
20) Gas, bubbling, fizzing
A
physical change
B
chemical change
*select an answer for all questions
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