A certain isotope has 53 protons 78 neutrons and 53 electrons. What is its atomic number? What is the mass number of this atom?
What is the name of this element? What is the name of this group of elements
1 answer:
Answer:
- 53 protons
- 131g
- Iodine
- Halogens
Explanation:
atomic no. = no. of protons
= 53 proton
mass = no. of protons + no. of
neutrons
= 53 + 78
= 131
You might be interested in
The answer is ClO2 according to google tbh
The Earth is made up of 78% of water!!
B.) Helium have <span>two protons and two electrons
Hope this helps!</span>
Wave length measures the width of the wave
Answer:
Wouldn't the Earth's atmosphere be moving too fast that it eventually breaks out?
Explanation:
Do NOT trust me.
