Question

An element Y has an atomic number of 8 and a mass number of 16. Show how the element will be represented with its atomic number and mass number Determine the element’s i. proton number ii. electron number iii. neutron number

Answer 1

In ∆ ABC, AD is a median and E is the midpoint of AD. If BE is produced, it meets AC at F. Show that AF = 1/3 AC.

(3 Points)

Answer 2

Answer:

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The atomic number uniquely identifies a chemical element. In an atom of neutral charge, atomic number is equal to the number of electrons. The atomic number is closely related to the mass number, which is the number of protons and neutrons in the nucleus of an atom. Mass # of Carbon is 12, and its atomic number is 6.

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