Answer:
allows the atoms of different elements to bond together to form new substances
The answer is bohr hope this helps :)
Answer:
option A= Physical change
Explanation:
physical change:
" It is a change in which no new substance is formed"
Breaking of object like glass is the example of physical change because it is not change into another object. It effect the form of object but can not change the chemical composition.
Chemical changes:
" it is a change in which one substance is converted into new product through chemical reaction".
During the chemical changes the types and the number of atom remain same but their arrangement changed.
for example: burning of wood, baking of cake, digesting food, resting of iron etc.
Physical reaction:
" physical reaction occur during the molecular rearrangement. There is no chemical change occur"
In this type of changes no bonds are break to form new bonds, for example boiling point.
Chemical reaction:
" chemical reaction occur when molecules are chemically react with each others and bonds formation and breaking is also occur"
Answer:
Explanation:
The modern model recognizes particles in the atom, whereas Dalton's model does not.
Answer:
10. Because they want to, and what they do is none of your buisness.
11. Firefighter-chemicals in fire-stopping have science.
Pharmacist-dealing with drugs and science was used to make them.
Chef-science involved in making food.-
Explanation:
Bruhh these were so easy do it yourself next time, it took me less than a minutte to do.
