WorksheetsMendeleev and the Periodic Table
Total questions: 25
Worksheet time: 24mins
What does the atomic mass tell you?
Basically,the number of electrons and protons
The number of neutrons
Basically, the number of protons and neutrons
The number of protons.
In Mendeleev's periodic table elements are arranged as-
increased atomic mass
increased atomic number
mass number
size
a column in a periodic table is called
block
group
row
element
Elements in same group has
same size
same physical and chemical properties
same atomic number
all of these
A row in a periodic table is called
group
block
period
element
In modern periodic table elements are arranged as per
increased atomic mass
increased atomic number
increased size
all of these
A nucleus of an atom contains what two parts?
Electrons and Protons
Neutrons and Electrons
Protons and Neutrons
The periodic table is organized into columns called _______ and rows called ______.
groups and periods
periods and groups
categories and periods
categories and groups
Who invented the Periodic Table?
Mendeleev
Bohr
Lewis
Democritus
As you move left to right on a row or period what happens?
Atomic number increases by 1
Electrons decrease
Number of shells decrease
Nothing
Mendeleev's genius was his ability to
predict elements that were not discovered yet
organize elements by their mass
had an element named after himself
organize elements by properties
Elements in the same group or column have the same ...
# of valence electrons
# of shells
# of protons
Mass Number
Rows on the periodic table are called ___________.
Periods
Sentences
Fences
The columns in the periodic table are called ___________.
Towers
Herds
Groups
Elements in the same group have __________
Similar Properties
Same number of shells
Similar Mass
What do all elements in the same period have?
same number of shells
same number of electrons
belong in the same family
Groups on the periodic table are arranged...
vertically
horizontally
diagonally
