Answer:
11
Explanation:
the atomic number is the same as the number of electrons
Answer:
they lose their water
Explanation:
When exposed to air washing soda crystals lose their water of crystallisation and become amorphous. ∴ The phenomenon is called efflorescence.
Answer:
Meters is the answer of this question
4. density, temperature, surface tension.
7. extensive properties- uses mass and volume depends on tbe amount of substance present.