Answer:
Sodium is more reactive than sulfur.
Valency of Sodium is 1.
Valency of Sulfur is 2.
(Valency is the number of electrons in the outermost orbit of an atom which can be taken, given out or shared by an atom.)
The answer is TRUE chemical changes do involve breaking and the making of chemical bonds.
Answer: The speed of a wave with a frequency of 64 Hz and a wavelength of 102m is 6528 m/s.
Explanation:
The formula of a speed of a wave is frequency x the wavelength.
Therefore multiply 64 and 102.
You get 6528 m/s which is the correct answer.
Answer:
neutral, acidic, basic
Explanation:
Know the acidity rules. Sorry I just saw this!
- Hope that helps! Please let me know if you need further explanation.
