C. what is the formal charge of the chlorine atom in the chlorate ion (cio3)? +2, +2, 0, -1, -2

0

Explanation:

Chlorate ion () :

Valence electrons of chlorine = 7

Valence electrons of oxygen = 6

Charge = -1 which means one electron is gained

The total number of the valence electrons  = 7 + 3(6) + 1 = 26

The Lewis structure is drawn in such a way that the octet of each atom and duet for the hydrogen in the molecule is complete. So,  

The Lewis structure is shown in the image.

Formula for formal charge :

From the structure,

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

answer is: nuclear fusion produces elements that are heavier than helium.

nuclei combine to form a heavier nucleus, releasing energy.  

for example, fusion of hydrogen atoms at the sun.  

this fusion nuclear reaction is in the inner core of the sun and hydrogen (atomic number 1) is conveted into helium (atomic number 2).  

the inner core is the central region of the sun and all solar energy is produced in the core by nuclear fusion.