"Don't use such phrases here, not cool! It hurts our feelings :( " IS THE COMMENT EVERY DANG TIME YOU TRY TO TYPE ANYTHING TO POST! anyone else having this problem?

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

List the path of the respiratory system

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.