What would the atomic mass be for an element whose atom contains 8 protons, 9 neutrons, and 8 electrons?

Given:

No. of protons = 8

No. of Neutrons = 9

No. of electrons = 8

To find:

Atomic mass =?

Formula to be used:

Atomic mass = No. of protons + No. of Neutrons

Atomic mass = No. of protons + No. of Neutrons

Atomic mass = 8 + 9

Atomic mass = 11

Explanation:

Atom is composed of three subatomic particles namely proton, electron, and neutron. The composition of these sub atomic particles is used to calculate the atomic mass.

The atomic mass of the element is nothing but the sum up value of the total number of protons and neutrons present in the nucleus of the atom of the element.

According to the given data, the atomic mass of the element with 8 protons and 9 neutrons is found as 11.

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.