Advertisements
Advertisements
प्रश्न
Which of the following statements made by Dalton has not undergone any change?
विकल्प
Atoms cannot be broken.
Atoms combine in small, whole numbers to form compounds.
Elements are made up of atoms.
All atoms of an elements are alike
Advertisements
उत्तर
All atoms of an elements are alike.
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
WRITE SHORT ANSWER
Define an ionic compound.
Fill in the blank:
Atoms are _____
Define: Ions
Fill in the blank
A charged particle is called an _____
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
A compound containing one atom of carbon and two atoms of oxygen is ______.
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
______ is a substance that is made up of three oxygen atoms chemically combined.
