M = m/L
moles of CaO = 2.75g / molar mass
2.75g/ 56.08g = 0.049moles CaO
155mL / 1000 = 0.155 L
M= 0.049moles/0.155L
M=0.316
The answer is nonmetal. good luck and give thanks :)
Answer:
the answer should be c
Explanation: why because 37/19 k toward 0+1e +37/18 AR is equivalent to the beta decay and it describes the best beta decay in the formula.
Answer:
Hi there!
Based on my own words, the electron cloud is a shell surrounding the nucleus that only consists of electrons.
Kinetic energy can be expressed in heat, motion, light, and sound.