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प्रश्न
Write the names of the elements present in the:-
Acetic acid
उत्तर
Acetic acid : Carbon, hydrogen, oxygen.
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संबंधित प्रश्न
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
TRUE \ FALSE
Neils Bohr gave the theory to explain the arrangement of protons in an atom.
WRITE SHORT ANSWER
What is radioactivity?
Write the names of the elements present in the:-
Ammonia
Write the names of the elements present in the:-
Sodium hydroxide
Write the names of `"Na"_3"PO"_4` compounds :
Fill in the blank:
Atoms are _____
Fill in the blank
An ion with positive charge is called ______
Give two examples for each of ionic and covalent bond.
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
Which of the following statement is correct about the atom of an element ?
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of phosphorus
The smallest particle of matter that can exist by itself is ______.
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
Define the following term with an example.
Metalloid
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
In the nucleus of `""_20"Ca"^40`, there are ______
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
Which of the following has maximum number of atoms?
A sample of vitamic C is known to contain 2.58 ×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?
