The Periodic Table of Elements
left to right
How does the atomic number increase on the periodic table? -left to right -right to left
6
In which period can you find the element Bismuth (Bi).
left
Reactivity increases in the metals as you go __________ on the periodic table. -left -right
transition metal
The element cobalt (Co) is what type of element?
2
What group is the element calcium in?
Metals
What is number 1?
D
According to the periodic table, which of the atoms in the picture represents the atom magnesium?
False
All the elements in a group have the same number of energy levels. -True -False
True
All the elements in a group have the same number of valence electrons. -True -False
True
All the elements in a period have the same number of energy levels. -True -False
False
All the elements in a period have the same number of valence electrons. -True -False
Beryllium and Magnesium
Based on what you know about the organization of the periodic table, which two elements below would have the MOST similar chemical properties? -Lithium and Magnesium -Sodium and Beryllium -Magnesium and Sodium -Beryllium and Magnesium
up to down
How does the atomic number increase on the periodic table? -up to down -down to up
5
How many elements are in group 17?
8
How many elements are in period 3?
4
How many energy levels do the elements in period 4 have?
6
How many noble gases are in group 18?
3
How many valence electrons do the elements in group 13 have?
iodine
I am an element that is in group 17 and period 5. What element am I?
zirconium
I am an element that is in group 4 and period 5. What element am I?
phosphorus
I am an element that is in period 3 and group 15. What element am I?
Thallium
If you are looking at group 13 on the periodic table, which element would have the largest atomic number?
Xenon
If you are looking at period 5 on the periodic table, which element would have the largest atomic number?
4
If you are the element Carbon, how many valence electrons do you have? Hint: Draw the atom if you need to!
7
If you are the element Fluorine, how many valence electrons do you have? Hint: Draw the atom if you need to!
4
If you are the element Iron (Fe) how many energy levels do you have?
be less reactive
In a comparison of metals to nonmetals in the same period, metals tend to: -have more valence electrons -have higher atomic numbers -be less reactive -have a higher atomic mass
Fluorine
In the halogen group which element is the most reactive?
valence electrons
On the periodic table all the elements in a group have the same number of...
decrease
On the periodic table do the metallic properties decrease or increase as you move from left to right?
right
Reactivity decreases in the metals as you go __________ on the periodic table. -left -right
up
Reactivity decreases in the metals as you go __________ on the periodic table. -up -down
left
Reactivity decreases in the nonmetals as you go __________ on the periodic table. -left -right
down
Reactivity decreases in the nonmetals as you go __________ on the periodic table. -up -down
down
Reactivity increases in the metals as you go __________ on the periodic table. -up -down
right
Reactivity increases in the nonmetals as you go __________ on the periodic table. -left -right
up
Reactivity increases in the nonmetals as you go __________ on the periodic table. -up -down
metalloid
The element silicon (Si) is what type of element?
noble gases
The elements helium, neon, argon, krypton, xenon, and radon are called the...
2 and 3
There are eight elements in these two periods. What periods are they?
1
There are two elements in this period. What period is it?
Argon has more valence electrons than Sulfur.
What conclusion can you make about the elements in the picture? - Oxygen has more valence electrons than Sulfur. - Fluorine and Chlorine are in the same period. - Neon and Fluorine are in the same group. - Argon has more valence electrons than Sulfur.
11
What group is silver in?
Nonmetals
What is number 2?
Metalloids
What is number 3?
83, Bi
What is the atomic number and symbol of bismuth?
18, noble gases
What is the group number and name of the elements on the periodic table that is made up primarily of elements that are gases at room temperature.
actinides
What is the name of the shaded area?
alkali metals
What is the name of the shaded area?
alkaline earth metals
What is the name of the shaded area?
halogens
What is the name of the shaded area?
lanthanides
What is the name of the shaded area?
metalloids
What is the name of the shaded area?
noble gases
What is the name of the shaded area?
nonmetals
What is the name of the shaded area?
other metals
What is the name of the shaded area?
transition metals
What is the name of the shaded area?
7
What period is plutonium in?
metalloid
What type of element is Antimony (Sb)?
valence electrons
When determining an element's chemical properties, the MOST important subatomic particles to look at is __________ __________.
Model A
Which atom model represents a reactive metal?
Model D
Which atom model represents a stable atom that will not react?
II
Which atom model will have the MOST similar properties to the atom beryllium?
magnesium
Which element has a higher reactivity, beryllium or magnesium?
fluorine
Which element has a higher reactivity, francium or fluorine?
platinum
Which element has a higher reactivity, gold or platinum?
potassium
Which element has a higher reactivity, potassium or zinc?
selenium
Which element has a lower reactivity, bromine or selenium?
helium
Which element has a lower reactivity, hydrogen or helium?
phosphorus
Which element has a lower reactivity, nitrogen or phosphorus?
helium
Which element is the least reactive element on the periodic table?
noble gases
Which group of elements on the periodic table is the MOST nonreactive?
alkali metals
Which group of metals on the periodic table is the MOST reactive group?
halogens
Which group of nonmetals on the periodic table is the MOST reactive group?
Group 18
Which of the following groups in the periodic table is made from non-reactive elements? -Group 1 -Group 4 -Group 17 -Group 18
Group 1
Which of the following groups in the periodic table is made up of reactive metals? -Group 1 -Group 6 -Group 17 -Group 18
the same number of energy levels
Which of the following traits do element "I" and element "II" have in common? -the same atomic number -the same atomic mass -the same number of energy levels -the same number of valence electrons
Dmitri Ivanovich Mendeleev
Which scientist rearranged the elements in order of their properties? Look on your handout.
Dmitri Ivanovich Mendeleev
Which scientist showed a vertical, horizontal, and diagonal relationship between the 63 known elements? Look on your handout.
zinc and mercury
Which two elements have the MOST similar chemical properties as cadmium (Cd) atoms?