An atom of sodium-23 (Na-23) has a net charge of +1. Identify the number of protons, neutrons, and
electrons in the atom. Then, explain how you
determined the number of each type of particle. Use
the periodic table to help you.

the answer is the first option

explanation:

just googled it m8. not that hard

lol

um i think it might be a car?

answer : third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

explanation :

let us write down the given equations

equation 1 :

equation 2 :

equation 3 :

let us use hess's law to find out which 2 equations can be added to get the third equation.

let us reverse equation 2 and multiply it by 2. the new equation that we get is,

equation 4 :

let us add equation 1 & 4

the above equation is similar to equation 3 but has different value for dhrxn.

therefore third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

answerlinnaeus;