An atom has an atomic mass of 27 and 13 neutrons , how many electrons will this atom have?

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Which element is least likely to undergo a chemical reaction

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.