The table below shows the number of the sub-atomic particles in an atom of nitrogen. Sub-atomic Particles

Sub-atomic Particle Number

Protons 7

Neutrons 7

Electrons 7

What is the amu of a nitrogen atom?

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14amu

Explanation:

Given subatomic particles:

  Number of protons  = 7

  Number of Neutrons  = 7

  Number of electrons  = 7

Unknown:

Atomic mass unit; amu of nitrogen

Solution:

The atomic mass unit of a substance is the number of protons and neutrons in such an atom;

     Atomic mass unit  = number of protons + number of neutrons

This is because the mass of an atom is concentrated in the nucleus;

   For the given specie;

        Atomic mass unit  = 7 + 7 = 14amu

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

because photosynthesis could not occur (apex)