Atoms/Periodic Table Of Elements Question Preview (ID: 55798)


STAAR Chemistry Review. TEACHERS: click here for quick copy question ID numbers.

Which of the following will determine the identity of an atom?
a) neutral neutrons
b) positive protons
c) negative electrons
d)

Inside the nucleus of an atom there are?
a) (positive) protons and (neutral) neutrons
b) (positive) protons and (negative) electrons
c) (neutral) neutrons and valence electrons
d)

The valence electrons are located on the ?
a) inner shell (cloud)
b) outermost shell (cloud)
c) 2nd shell (cloud)
d) in the nucleus

The electrons are _______ and found in the ___________
a) positine, nucleus
b) neutral, nucleus
c) negative, electron clouds (shells)
d) neutral, electron clouds (shells)

Neutrons have a _______ mass, are ________ and found in the __________.
a) large, negative, electron cloud
b) tiny, positive, nucleus
c) large, neutral, nucleus
d) tiny, neutral, electron cloud

What do the valence electrons determine?
a) how chemically reactive the atom is
b) what period the atoms belongs to
c) an atom's identity
d) how many shells (clouds) an atom has

Positively charged protons have a _______ mass and are found in __________
a) tiny, nucleus
b) large, nucleus
c) tiny, electron cloud
d) large, electron cloud

The atomic number will give you the amount of __________ and ____________ an atom has.
a) neutrons and electrons
b) valence electrons and protons
c) protons and electrons
d) neutrons and valence electrons

The mass of an atom can be found by adding what two subatomic particles?
a) protons and electrons
b) protons and neutrons
c) neutrons and electrons
d) electrons and valence electrons

Elements in the same column (group) will have what 3 things in common?
a) mass, properties, electrons
b) same # of protons, chemical reactivity, similiar physical properties
c) same # of electron clouds, chemical reactivity, similiar physical properties
d) same # of valence electrons, chemical reactivity, similair physical properties

An atom has an atomic number of 16 and an atomic mass of 40. How many protons does this atom have?
a) 56
b) 40
c) 16
d) 24

Which of the following describes a metal?
a) brittle, dull, and a semi-conductor
b) malleable, ductile, and a semi-conductor
c) brittle, a gas, and a poor conductor
d) malleable, ductile, and a good conductor

Which of the following atoms would most likely be chemically reactive?
a) An atom that has 1 valence electron
b) An atom that has 8 valence electrons.
c) An atom that has 8 protons.
d) An atom that has 1 proton.

If an atom has 3 electron clouds (shells), what would you know for sure about this atom?
a) The atom will be reactive due to having 3 electron clouds
b) The atom will be in period (row) 3
c) The atom will be in group 3
d) The atom will be in group 13

Which group on the periodic table will be the stable (chemically unreactive) inert gases?
a) metals
b) Noble Gases
c) metalloids
d) nonmetals

The elements found on the zig zag staircase are semiconductors and share properties of metals and nometals are known as
a) Grp. 1- they do not have their outermost electron cloud full
b) Grp. 18- they have their outermost electron cloud full (8 valence electrons)
c) Grp. 17- they do not have their outermost electron cloud full (7 valence electrons)
d) none of the above

Transform boundary plates slide past each other in the opposite way, they will create
a) volcanoes, island arcs
b) fault, earthquakes
c) mid ocean ridge, rift valley
d) none of the above

COnvergent boundaries (COllide) towards each other creating
a) volcanoes, island arcs
b) rift valley, mid ocean ridge
c) fault, earthquake
d)

Plates that are diverging (or dividing) will create
a) volcanoes, island arcs
b) fault, earthquake
c) rift valley, mid ocean ridge
d) none of the above

The moon phase that is next to the Sun making it appear like a dark black circle in the sky is
a) full moon
b) new moon
c) waning gibbous
d) 1st quarter

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