What is the density of aluminium? | एल्यूमीतनयम का घनत्व कतना होता है?

A : 2.7 g/cm3 | 2.7 g/cm3

B : 3.7 g/cm3 | 3.7 g/cm3

C : 4.7 g/cm3 | 4.7 g/cm3

D : 5.7 g/cm3 | 5.7 g/cm3

Ans: A : 2.7 g/cm3 | 2.7 g/cm3

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness