Answer:
2c +o2=2co
Explanation:
Check and u will see that all the elements in the left side of the chemical reaction are equal to those on the right
Answer:
gas -170 is hotter than -195
Explanation:
Answer:
as no. of protons is equals to the no. of electrons so, it is a neutral atom.
but, as Atomic No. = Mass No. - No. of neutrons
Atomic No. = No. of protons = 18
so, Mass No. = Atomic No. + No. of Neutrons= 18 + 20 = 38
so, correct option is C.
Explanation:
