Annotate the symbol by the reference image. Then, explain why this symbol represents an ion and how many electrons it has.

• the name of the element
• the charge
• the mass number
• the atomic number

since the symbol has a "+1" sign at the top right corner it represents a positively charged ion.

it has 4 electrons as it has "+1" symbol meaning it lost one electron out of initially 5 electrons present.

Bythium

6

11

5

Explanation:

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.