According to the periodic table, a sodium atom forms ion by losing two electrons correctly describes the change from a neutral atom of an element to its ion.
What is a neutral atom?
A neutral atom is an atom where the charges of the electrons and the protons balance.
Atomic number 11.
Mass number 23.
Na Electron arrangement 2, 8 , 1 Will lose 1 electron to gain a full valence shell.
Since now 11 + and 10 –, the overall charge is 1+ So we write or simply .
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(2) compound because the atoms of the elements are combined in a proportion that varies
(3) mixture because the atoms of the elements are combined in a fixed proportion
(4) mixture because the atoms of the elements are combined in a proportion that varies
MA= Length+ width
MA= Length * width
MA= Length/ wisth
Answer:
length/width
Explanation:
Answer:
Length/Width
Explanation:
I did the module 10 exam so I know it is length/width