What’s the basic building block of all matter

2 answers:

6 0

Scientists once thought the most fundamental building block of matter was a particle called the atom. Now we know that the atom is made of many smaller pieces, known as subatomic particles. Every atom contains a central core called the nucleus, made of particles called protons and neutrons.

grandymaker [24]3 years ago

4 0

Atoms are the basic building block of all matter.

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Idoine would have chemical properties most like ?

svetlana [45]

Iodine would have chemical properties most like Fluorine, Chlorine and other elements in group 7

7 0

3 years ago

Convert 2.54 moles of CaCl, to liters.

Agata [3.3K]

2.54 moles of CaCl occupies 56.89 liters volume

Explanation:

Each mole of any gas occupies 22.4 liters volume at STP.
STP is defined as the standard temperature and pressure and those standard values are zero degree and one atmospherics pressure
22.4 liters is a constant number as Avogadro's number which is nothing but 6.022* $10^{23}$ .
Hence, to convert 2.54 moles just multiply it with 22.4 L
That is, 22.4*2.54= 56.89 L
So, 2.54 moles of CaCl occupies 56.89 L volume space