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प्रश्न
Define: Elements-
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उत्तर
Elements : An element is the basic form of matter that cannot be broken down into simpler substances by chemical reactions.
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संबंधित प्रश्न
The anion of an element has ______.
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
State the type of element for the following:
Arsenic
Give the symbol of the following element:
Magnesium
Give the formula of the following acid:
Nitric
Give the formula of the following gas:
Ammonia
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
Name three metals whose symbols are derived: from their Latin names.
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
