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प्रश्न
Fill in the blank
An _______ is electrically neutral.
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उत्तर
An atom is electrically neutral
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संबंधित प्रश्न
Write the names of `"Ca"("NO"_3)_2` compounds :
Define: Chemical bond
What are orbits or shells ?
Define: An Atom:
Fill in the blank
If an atom gains an electron, it is called an _______
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Fill in the blank
A charged particle is called an _____
What are the building blocks of matter ?
What is an atom ? How do atoms usually exist ?
One nm is equal to :
Electron, proton, neutron are the types of ______ in an atom.
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
The smaller particles found in the atom is called ______.
Define – Atom.
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.
In the nucleus of `""_20"Ca"^40`, there are ______
A change in the physical state can be brought about
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
The smallest unit of an element is ______.
