Question

Neutral atoms of neon with atomic

number 10 have the same number of
electrons as
a o²+
b ca²+
c​

Answer 1

Neon atoms with atomic number 10 have the same number of electrons as A) o².

Step-by-step explanation:

Neon (Ne) has an atomic number of 10, which means that a neutral atom of neon also has 10 electrons. In the given options, the only element that has the same number of electrons as neon is option (c) o², which is an ion of oxygen with 10 electrons. Both neon and o² have 10 electrons.

Neon has the electron configuration 1s²2s²2p⁶, which means it has two electrons in the 1s orbital, two electrons in the 2s orbital, and six electrons in the 2p orbitals.

Since it has the same number of electrons, it must have a similar electron configuration.

Overall, neutal atoms of neon with atomic number 10 have the same number of electrons as A) o² because both have 10 electrons in their electron configuration.

Answer 2

d. Mg²⁺

Step-by-step explanation:

c. K⁺

d. Mg²⁺

Based on the Bohr's atomic model, the atom has electrons (Mass 0; Charge -1), protons (Mass 1; Charge +1) and neutrons (Mass 1; Charge 0).

The atomic number is equal to the number of protons. That means there are 10 protons. As the Neon is netural, the amount of electrons must be 10.

A neutral atom of Mg has 12 electrons, that means the Mg²⁺ has 10 electrons the same than Ne.

Right option is:

d. Mg²⁺