Answer:
Electrons
Explanation:
The breaking and forming of bonds between atoms in substances results in changes in the number of electrons in the substance.
- Atoms combined in order to share, gain or lose electrons for it to be stable.
- The noble gases have a set up configuration which makes them stable.
- All atom tend to mimic the noble gases.
The formula for lead chromate is PbCrO4. This is because the Pb is the lead part- it is the first in the formula with one lead atom. Next is CrO4- chromate. It has a negative charge (-2) and it stands for one chromium atom and four oxygen atoms.
Answer:
Endergonic reactions
Explanation:
The terms endergonic and exergonic describe reactions in terms of the energy transfer. Because ender = in, exo = out, we can tell that endergonic reactions need energy put in, and exergonic don't need energy put in, they release energy!
Answer:
6NO2+3H2O-------->3HNO2+3HNO3
0,12
bc
Explanation:
y gym k8knh 6fjjn un69nciigu
- <u>tuesday</u>