PS-2.3 Periodic Table Question Preview (ID: 2003)


Trends Of Periodic Table; Valence Numbers, Atomic Numbers. TEACHERS: click here for quick copy question ID numbers.

The number of occupied energy levels for an element equals
a) the period number of the element.
b) the group or family number of the element
c) the valence number of the element
d) the atomic number of the element

If you wanted to know the number of protons in lithium you would
a) find the atomic number for lithium on the periodic table.
b) find the mass number for lithium on the periodic table.
c) look in a text book; its not on the periodic table.
d) find the sum of the neutrons and electrons.

Starting at the left side of the periodic table and moving right, you'd pass through
a) metals, metalloids, non-metals
b) metals, non-metals, metalloids
c) non-metals, metalloids, metals
d) non-metals, metals, metalloids

An elements valence number is equal to
a) the number of electrons in its outer energy level
b) the number of protons in its outer energy level
c) the sum of its protons and neutrons
d) the difference between the number of neutrons and electrons in the isotope

All elements in a group or family have similar chemical properties because
a) they have the same number of electrons in their outer energy level.
b) they have the same number of protons in their nucleus.
c) their valence numbers increase through the group
d) their valence numbers decrease through the group

A group or family is
a) a vertical column on the periodic table
b) a horizontal row on the periodic table
c) a group of elements with the same number of protons
d) a group of elements that react best with each other

The first energy level is filled with ___ electrons; the others are stable with____.
a) 2, 8
b) 2, 10
c) 4, 10
d) 3, 7

The period number tells
a) how many energy levels are occupied
b) how many valence electrons there are
c) how reactive the atoms are
d) how many protons are in the atom

How many periods are there on the periodic table?
a) 7
b) 4
c) 5
d) 8

A horizontal row on the periodic table is a
a) period
b) group
c) family
d) Nobel Gas group

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