Tissues — Science STD 9 — Question

Fill in the following blanks with suitable words:
The particle which is formed by the loss of electrons by an atom is called _________.

Fill in the following blanks with suitable words:
The three important metalloids are __________ and __________.

Fill in the blanks in the following statements:
If the nucleus of an atom has atomic number 17, mass number 37 abd there are 17 electrons outside the nucleus, the number of neutrons in it is ____________.

Fill in the following blanks:
Milk is a ________ solution but vinegar is a ________ solution.

Fill in the following blanks with suitable word:
In order to sink in a fluid, the density of an object must be _____ than the ______ of the fluid.

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64g of oxygen gas contains _________ Moles of oxygen atoms.

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 0.5 mole of calcium element has a mass of  ____________.

Fill in the following blanks in respect of an atom of an element:

No. of Protons	No. of Neutrons	Mass number	Atomic number	No. of electrons	Symbol
11	12	............	............	............	............

Fill in the following blanks with suitable words:
The elements which are sonorous are called ____________.

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Scientists say that there are actually five states of matter: Solid, liquid, gas, ___________ and ___________.