Answer A)
1. Ne will have 10 protons and the charge of protons is positive.
2. Ne will have 10 neutrons and there is no charge on the neutrons.
3. Ne has 10 electrons and the electrons have a negative charge.
4. Atomic number of Ne is 10.
5. Atomic mass of Ne is 20.1797 u.
6. Name of the atom is Neon.
Answer B)
1. Hydrogen has no neutrons.
2. Atomic mass of carbon is 12 u.
3. Calcium has 20 protons.
4. Fluorine has 10 neutrons.
5. Potassium has 20 neutrons.
6. Oxygen has 8 protons.
Protons identifies an atom.
(3) because the 3 on the outside of the sulfate ion tells you that the first element has 3 valence electrons.
Answer:
The structure of the atom.
Explanation:
The correct answer is - The structure of the atom.
Reason -
An atom is the smallest unit of matter that retains all of the chemical properties of an element.
Answer:
During chemical reactions are broken and to form new substances with different properties, but mass is still .