RC#1 STAAR Review Game Question Preview (ID: 42494)


RC1. TEACHERS: click here for quick copy question ID numbers.

Organic compounds musk contain
a) Oxygen
b) Nitrogen
c) Carbon
d)

4CO2 has how many Carbon atoms?
a) 1
b) 2
c) 4
d)

NaCl has how many elements?
a) 1
b) 2
c) 3
d)

4NH3 has how many Hydrogen atoms?
a) 1
b) 3
c) 12
d)

Formation of precipitate from mixing 2 liquids
a) Chemical change
b) Physical change
c)
d)

Unexpected color change is evidence of chemical change
a) true
b) false
c)
d)

An element that is dull, brittle, and dull
a) Metal
b) Nonmetal
c) Metalloid
d)

An element that is shiny, malleable and good conductor
a) Metal
b) Nonmetal
c) Metalloid
d)

Which of the following is the least reactive atom?
a) an atom with 5 valence electrons
b) an atom with 1 valence electron
c) an atom with 8 valence electrons
d)

The periods in the periodic table tell you the amount of
a) valence electrons
b) energy shells
c)
d)

How can you find the identify of an atom/element?
a) by the # of protons
b) by the # of neutrons
c) by the # of electrons
d)

Which atom would be the most reactive?
a) an atom with 5 valence electrons
b) an atom with 1 valence electron
c) an atom with 8 valence electrons
d)

The last group/family to the right of the periodic table are called
a) noble gases
b) metalloids
c) alkali metals
d)

Groups in the periodic table are found
a) on the side
b) up and down
c)
d)

Valence electrons are found
a) In the outer most energy shell
b) In the inner most energy shell
c) In the nucleus
d)

Period in the periodic table are found
a) on the side
b) up and down
c)
d)

Which is correct?
a) Electrons and protons are in the nucleus
b) Protons and neutrons are in the nucleus
c) Electrons and protons are in the electron cloud
d)

To find neutrons you need to
a) atomic mass + atomic number
b) atomic number + atomic mass
c) atomic mass - atomic number
d)

Which of the following is correct?
a) protons (+ charge), neutrons (no charge), electrons (- charge)
b) protons (- charge), neutrons (+ charge), electrons (no charge)
c) protons (no charge), neutrons (- charge), electrons (+ charge)
d)

Gas, bubbling, fizzing
a) physical change
b) chemical change
c)
d)

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