The Periodic Table of Elements

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8

How many elements are in period 3?

5

How many elements are in group 17?

valence electrons

When determining an element's chemical properties, the MOST important subatomic particles to look at is __________ __________.

zinc and mercury

Which two elements have the MOST similar chemical properties as cadmium (Cd) atoms?

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

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.

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

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

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?

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?

noble gases

Which group of elements on the periodic table is the MOST nonreactive?

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

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.

D

According to the periodic table, which of the atoms in the picture represents the atom magnesium?

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?

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.

2

What group is the element calcium in?

metalloid

The element silicon (Si) is what type of element?

transition metal

The element cobalt (Co) is what type of element?

6

In which period can you find the element Bismuth (Bi).

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!

6

How many noble gases are in group 18?

noble gases

The elements helium, neon, argon, krypton, xenon, and radon are called the...

1

There are two elements in this period. What period is it?

2 and 3

There are eight elements in these two periods. What periods are they?

metalloid

What type of element is Antimony (Sb)?

Fluorine

In the halogen group which element is the most reactive?

helium

Which element is the least reactive element on the periodic table?

alkali metals

What is the name of the shaded area?

Metals

What is number 1?

Nonmetals

What is number 2?

Metalloids

What is number 3?

alkaline earth metals

What is the name of the shaded area?

metalloids

What is the name of the shaded area?

other metals

What is the name of the shaded area?

nonmetals

What is the name of the shaded area?

halogens

What is the name of the shaded area?

noble gases

What is the name of the shaded area?

transition metals

What is the name of the shaded area?

lanthanides

What is the name of the shaded area?

actinides

What is the name of the shaded area?

left to right

How does the atomic number increase on the periodic table?
-left to right
-right to left

up to down

How does the atomic number increase on the periodic table?
-up to down
-down to up

decrease

On the periodic table do the metallic properties decrease or increase as you move from left to right?

valence electrons

On the periodic table all the elements in a group have the same number of...

False

All the elements in a period 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

True

All the elements in a group have the same number of valence electrons.
-True
-False

False

All the elements in a group have the same number of energy levels.
-True
-False

3

How many valence electrons do the elements in group 13 have?

4

How many energy levels do the elements in period 4 have?

4

If you are the element Iron (Fe) how many energy levels do you have?

platinum

Which element has a higher reactivity, gold or platinum?

fluorine

Which element has a higher reactivity, francium or fluorine?

phosphorus

Which element has a lower reactivity, nitrogen or phosphorus?

helium

Which element has a lower reactivity, hydrogen or helium?

potassium

Which element has a higher reactivity, potassium or zinc?

selenium

Which element has a lower reactivity, bromine or selenium?

magnesium

Which element has a higher reactivity, beryllium or magnesium?

left

Reactivity increases in the metals as you go __________ on the periodic table.
-left
-right

right

Reactivity decreases in the metals as you go __________ on the periodic table.
-left
-right

down

Reactivity increases in the metals as you go __________ on the periodic table.
-up
-down

up

Reactivity decreases 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

left

Reactivity decreases 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

down

Reactivity decreases in the nonmetals as you go __________ on the periodic table.
-up
-down

83, Bi

What is the atomic number and symbol of bismuth?

11

What group is silver in?

7

What period is plutonium in?

iodine

I am an element that is in group 17 and period 5. What element am I?

phosphorus

I am an element that is in period 3 and group 15. What element am I?

zirconium

I am an element that is in group 4 and period 5. What element am I?

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