What is the mass of an atom that has 3 protons, 4 neutrons, and 3 electrons?

4

6

7

10

Who is better, messi or cristiano, i need this for a chemistry class. asap

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these