1. Nucleus, neutrons
2. Tiny
3. Electrons, shells
4. Protons
5. Configuration
6. Electrons
7. Protons
2.10
The 0 after 1 is not significant and does not affect the value of the number; therefore, when the number will be rounded to two significant figures, it will become 2.1, so it will be the same.
Balanced equation:
Ca(OH)2+H2SO4=CaSO4+2 H20<span />
How is this going to help us in life wat the fawk
The answer is A it’s tall
