Jesús sketched models of two different neutral isotopes of sodium. If the isotope models are accurate, which statement might be true? (Refer to the
periodic table if necessary.)
O A. One shows 11 protons, and one shows 12.
O B. One shows 11 neutrons, and one shows 12.
C. One shows 11 electrons, and one shows 12.
O D. One shows 10 protons, and one shows 12.

Answer :

O B. One shows 11 neutrons, and one shows 12.

is correct

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nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

the higher the current the higher the mag field around it the higher the influence on the compass