2nd October 2019

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Why do elements in a family or group have similar properties?

Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals.

People also ask, which elements are main group elements?

In chemistry and atomic physics, the main group is the group of elements whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine as arranged in the periodic table of the elements.

Which group has the most elements?

In group 1 of the periodic table, all the elements except hydrogen (H) are alkali metals.
The alkaline Earth metals make up group 2 of the periodic table.
All the elements in groups 3–12 are transition metals.
These groups each contain one or more metalloids.
Group 17 consists of the nonmetals called halogens.

What are the majority of the elements?

Using the periodic table, you can classify the elements in many ways. One useful way is by metals, nonmetals, and metalloids. (See also The Periodic Table: Families and Periods.) Most of the elements on the periodic table are classified as metals.

What do elements in the same group have in common?

Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals. Group 0 elements are unreactive non-metals called the noble gases.

Do elements in a period have similar properties?

A period in the periodic table is a horizontal row. All elements in a row have the same number of electron shells. Arranged this way, groups of elements in the same column have similar chemical and physical properties, reflecting the periodic law.

Why do elements in the same family have the same properties?

The elements in the same group has similar number of valence electrons. They have identical number of electrons in their outermost shell. e.g. All the alkali metals in Group 1 have 1 valence electron, so they all tend to react the same way with other substances.

How are elements in a family different?

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

What do all the elements in a family have in common?

Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.

How many elements are there in Group 1 of the periodic table?

There are six elements in group 1 of the periodic table and they are: Lithium. Sodium. Potassium.

What are the properties of Group 0 elements?

The group 0 elements are found on the right hand side of the periodic table. They are called the noble gases because they are very unreactive. The highest occupied energy levels (outermost shells) of their atoms are full: helium atoms have two electrons in their outer energy level.

What is common among the elements in the same family?

Elements in the same group are those that are in a single vertical line from top to bottom. They have the most in common between the two directions. They share the same number of electrons in their valence subshells. As a result, they will all have the same chemical reactivity.

Why do noble gases not react with other elements?

The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore, they rarely react with other elements since they are already stable.

Which group is the most reactive?

The alkali metals, found in group 1 of the periodic table (formerly known as group IA), are very reactive metals that do not occur freely in nature. These metals have only one electron in their outer shell. Therefore, they are ready to lose that one electron in ionic bonding with other elements.

What are the elements in Group 1 called?

The group 1 elements in the periodic table are known as the alkali metals. They include lithium, sodium and potassium, which all react vigorously with air and water. The reactivity of the alkali metals increases down the group.

Who is known as the father of the periodic table of elements?

Dmitri Mendeleev

Where can you find metals in the periodic table of elements?

The periodic table on the left separates elements into three groups: the metals (green in the table), nonmetals (orange), and metalloids (blue). Most elements are metals.

How many groups are there in the periodic table?

In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table, and the f-block columns (between groups 3 and 4) are not numbered.

What are the elements in the second group of the periodic table called?

Table of contents No headers. The Group 2 alkaline earth metals include Beryllium, Magnesium, Calcium, Barium, Strontium and Radium and are soft, silver metals that are less metallic in character than the Group 1 Alkali Metals.

What element exists in almost every part of your body?

The Periodic Table

Question	Answer
11. What element exists in almost every compound in your body?	Except for water, MOST of the compounds in your body contain CARBON.
12. Which Group 5A elements are found in fertilizer?	Besides nitrogen, fertilizers often contain phosphorus.

What is the most active group of nonmetals?

The most active nonmetals belong to the halogen family, which sits to the left of the noble gases on the right side of the periodic table. The halogens are so reactive that they are never found in nature by themselves. The elements fluorine, chlorine, bromine, iodine and astatine make up the halogen family.

Which elements are not noble gases?

All of the elements in Group Zero are noble gases. The list includes helium, neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Don't think that, because these elements don't like to react, we don't use them. You will find noble gases all over our world.

What are the elements in Group 7?

The group 7 elements are also known as the halogens. They include fluorine, chlorine, bromine and iodine, which all have seven electrons in their outer shell. In a displacement reaction, a less reactive element is displaced by a more reactive element.

Why are noble gases are inert and do not form ions?

This is the reason noble or inert gases do not form ions. They already have their maximum number of valence electrons in the outter shells, so they are stable without having to react to gain/lose electrons.The outer electron shell is completely full,so there are no electrons to react with anything.

Why do elements in a family or group have similar properties?

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