Question

pls answer this question ​

Answer 1

1. An element is larger than an atom.

• This is because, an element is made of atoms, i.e, atoms combine to form an element.

2. The purpose of periodic table is to learn about elements and their properties.

• The periodic table tells all the properties and definition about elements, whether it's metal, non metal or inert gases.

3. Till now, 119 elements are known.

• There are 119 elements discovered till now, ranging from atomic number 1 to 119.

4. There is a box for each element in periodic table.

• Each hox tells the properties of that particular element, regarding atomic number, atomic mass, valency, density, melting point, boiling point, symbol, etc.

5. Semimetal is an element which bears some properties of metals.

• For example, Si, Ge and As are some semimetals, also called metalloids.

Answer 2

Answer:

Hope helpful

Explanation:

1 An element is larger than an atom. This is because atom is the smallest particle of an element.

2 easy classification and categorisation.

So similar elements can be studied easily

3 118 elements have been discovered so far

4 atomic no. Mass no. Symbol name of the element

5 semi metal comprises of characters of both metals and nonmetals