Atoms And The Periodic Table Question Preview (ID: 37884)


This Will Help Prepare You For The Test On 5/31. TEACHERS: click here for quick copy question ID numbers.

Which of the following is a positively charged particle?
a) proton
b) electron
c) neutron
d)

The number of protons in an atom is the element's
a) chemical symbol
b) group
c) atomic number
d)

A row of elements in the periodic table is called a
a) period
b) group
c) family
d)

An element's properties can be predicted form its
a) number of isotopes
b) location on the periodic table
c) number of neurons
d)

Dmirtri Mendeleev created the first
a) chemical reaction
b) periodic table
c) semiconductor
d)

Which particles are found in the nucleus of an atom?
a) neutrons and protons
b) electrons and protons
c) neutrons and electrons
d)

Which of the following is NOT a characteristic of most metals?
a) brittle
b) ductile
c) good conductor
d)

An element's ____________________ tells the number of protons in its nucleus.
a) atomic mass
b) atomic number
c) chemical symbol
d)

Atoms with the same number of protons but different numbers of neutrons are called
a) isotopes
b) noble gases
c) halogens
d)

The average mass of all the isotopes of an element are called the element's ___________________________
a) atomic mass
b) isotopes
c) supernovas
d)

NONMETALS are good conductors of heat and electricity
a) true
b) false
c)
d)

From right to left in the periodic table, the elements are arranged in order of DECREASING atomic mass
a) true
b) false
c)
d)

The mass of a PROTON is about one atomic mass unit
a) true
b) false
c)
d)

In an atom, the number of protons is equal to the number of electrons
a) true
b) false
c)
d)

It is impossible to predict the properties of an element by its position in the periodic table
a) true
b) false
c)
d)

Heat and electricity can flow easily through metals.
a) true
b) false
c)
d)

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