Answer:
For number 2, your answer is C.
Explanation:
The nucleus is positively charged because the proton is positive and a neutron is neutral. An electron has a negative charge.
Atoms must have equal numbers of protons and electrons. So to answer your question, yes protons and electrons are the same number.
Hello!
The answer is Evaporation
When you add heat to water, it boils, releasing gas into the air. This is called Evaporation. The water changes from a liquid to a gas.
Hope this helped!
Answer:
A Chemical Reaction
Explanation:
There are 2 kinds of reactions physical and chemical. The digestion process often involves the use of digestive enzymes in your mouth and acid in your stomach.
Answer: A bond in which the electromagnetically difference between the atoms is between 0.4 and 1.7 is called a polar covalent bond.
Explanation:
There you go.... your welcome