Which is true about the periods (rows) on the Periodic Table?

Elements in a period are NOT alike in properties.

Valence electrons are ...

The number of electrons in the outermost shell.

Periods are the __________ and have the same number of _____________.

rows; electron shells (energy levels)

Which is true about the groups (columns) on the Periodic Table?

Elements in a group have the same properties.

Groups or families are the ________ and have the same number of __________.

columns; electrons in the last shell (valence electrons)

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The Periodic Table

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A #physicalscience #quiz that tests your knowledge of the #periodictable

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Questions 10

Answers

1
Which is true about the periods (rows) on the Periodic Table?
The first element in a period is a nonreactive gas.
Elements in a period are NOT alike in properties.
Elements in a period have the same # of valence electrons.
Elements in a period have many of the same properties.
2
If an atom loses electrons, it becomes a ____________.
positive ion.
negative ion.
slice of pizza.
neutral ion.
3
Most of the elements in the Periodic Table are ____________.
none of these
nonmetals
metals
metalloids
4
Most elements in the Periodic Table are _____________ at room temperature.
None of these
Liquids
Solids
Gases
5
If an atom gains electrons it becomes a ___________.
negative ion
giant squid.
neutral atom.
positive ion
6
Valence electrons are ...
The number of electrons in the outermost shell.
The number of eletron shells.
7
Periods are the __________ and have the same number of _____________.
rows; electron shells (energy levels)
columns; electron shells (energy levels)
columns; electrons in the last shell (valence electrons)
rows; electrons in the last shell (valence electrons)
8
Which is true about the groups (columns) on the Periodic Table?
Elements in a group have the same # of electron shells.
Elements in a group have the same properties.
Elements in a group have different #s of valence electrons.
Elements in a group have different properties.
9
Groups or families are the ________ and have the same number of __________.
columns; electron shells (energy levels)
rows; electrons in the last shell (valence electrons)
rows; electron shells (energy levels)
columns; electrons in the last shell (valence electrons)
10
Metals usually ___________ electrons and are _____________.
lose; reactive
gain; nonreactive
lose; nonreactive
neither lose nor gain; nonreactive

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