An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of . An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of .
five
six
seven
four

what image you forgot to include it.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

your spelling is a little off : ]

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: