Question

List the symbols of the elements of Period 2.
pls answer for brainiest​

Answer 1

Explanation:

All the elements and their symbols in period 2 are: Lithium (Li), Beryllium (Be), Boron (B), Calcium (C), Nitrogen (N), Oxygen (O), Flourine (F) and Neon (Ne).

Answer 2

Answer:

$\begin{tabular}{|c|c|}\cline{1-2}\sf\:Elements\:in\:Period\:2 & \sf\:Symbols\\\cline{1-2}\sf\:Lithium & \sf\:Li\\\cline{1-2}\sf\:Berrylium & \sf\:Be\\\cline{1-2}\sf\:Boron & \sf\:B\\\cline{1-2}\sf\:Carbon & \sf\:C\\\cline{1-2}\sf\:Nitrogen & \sf\:N\\\cline{1-2}\sf\:Oxygen & \sf\:O\\\cline{1-2}\sf\:Fluorine & \sf\:F\\\cline{1-2}\sf\:Neon & \sf\:Ne\\\cline{1-2}\end{tabular}$

Explanation:

Period 2 of the Modern Periodic Table:

1. There are total 8 elements in the second period of modern periodic table.

2. The second period begins with Lithium ( Li ) and ends with Neon ( Ne ).

3. There are two metals ( Lithium & Berrylium ), five non-metals ( Boron, Carbon, Nitrogen, Oxygen & Fluorine ) and one inert gas ( Neon ) in the second period.

Additional Information:

1. Elements:

The substances which are in their pure form are called as elements.

2. Types of Elements:

A) Metals

B) Non-metals

C) Metalloids

3. Metals:

The elements which donate electrons in a chemical reaction are called as metals.

4. Non-metals:

The elements which receive electrons in a chemical reaction are called as non-metals.

5. Metalloids:

The elements which show the characters of both metals and non-metals are called as metalloids.

6. Periodic table:

A table in which all the elements are arranged according to their atomic number is called periodic table.

7. Periods in periodic table:

The horizontal rows in the periodic table are called as periods.

There are total 7 periods in the modern periodic table.

8. Groups in periodic table:

The vertical columns in the periodic table are called as groups.

There are total 18 groups in modern periodic table.