Non-metals, which are organized on the right side of the periodic table, have higher electronegativity values than the metals.
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1-energy
2- force
3- force
4- force
5- energy
6- energy
Answer:
The period 4 alkaline-earth metal has the name Calcium. An isotope of this element having 20 neutrons has a mass number of 40.
Explanation:
Looking at the periodic table 4th row for the alkaline-earth metal, we can find Calcium which has an atomic number of 20 (or protons number, or z). The mass number is given by the sum of protons and neutrons. If the number of protons in this case is 20 and the number of neutrons is also 20, the mass number A = 40.
Answer:
I think the answer is Prokaryote and Eukaryote
Explanation:
