Structure of the Atom — Science STD 9 — Question

The common characteristic of suspension and colloidal solution is:

Which of the following is not a property of particles of matter:

Which of the following has the maximum number of atoms?

1. 18g of H₂O
2. 18g of O₂
3. 18g of CO₂
4. 18g of CH₄

The element having atomicity ‘four’ is most likely to be:

What happens when ink is dropped in water:

The nucleus of an atom is made up of ___________________.

For each of the following, use letters to indicate physical state of matter. ‘s’ for solid, ‘l’ for liquid ‘g’ for gaseous, 'p' for plasma, B.E.C. for Bose-Einstein Condensate.

S.No.	Specific Characteristic	Physical state
1.	Ionised gases
2.	Most ordered state
3.	Least ordered state
4.	Fixed volume, no shape
5.	Cooling gas at super low temperature

A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be:

Which one of the following statement is correct in respect of fluids?