Asked by Elisha
                1. Which of the following best describes an atom?
A) protons and electrons grouped together in a random pattern
B) protons and electrons grouped together in an alternating pattern
C) a core of protons and neutrons surrounded by electrons*
D) a core of electrons and neutrons surrounded by protons
4. When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with chemically. Which property of the unknown element determines the other elements it reacts with?
A. The total number of neutrons in the unknown element
B. The total number of particles in the nucleus of the unknown element
C. The number of protons in the nucleus of the unknown element
D. The number of valence electrons in the unknown element*
5. A researcher wants to experiment with an element that reacts like phosphorus (P) but has a greater atomic mass. Which element should the researcher selected for the experiment (use the periodic table)?
A Nitrogen (N)
B Sulfur(S)
C Arsenic (As)
D Silicon (Si)
            
            
        A) protons and electrons grouped together in a random pattern
B) protons and electrons grouped together in an alternating pattern
C) a core of protons and neutrons surrounded by electrons*
D) a core of electrons and neutrons surrounded by protons
4. When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with chemically. Which property of the unknown element determines the other elements it reacts with?
A. The total number of neutrons in the unknown element
B. The total number of particles in the nucleus of the unknown element
C. The number of protons in the nucleus of the unknown element
D. The number of valence electrons in the unknown element*
5. A researcher wants to experiment with an element that reacts like phosphorus (P) but has a greater atomic mass. Which element should the researcher selected for the experiment (use the periodic table)?
A Nitrogen (N)
B Sulfur(S)
C Arsenic (As)
D Silicon (Si)
Answers
                    Answered by
            bobpursley
            
    Number 5: use the periodic table.  which element is in the same family?
others are correct.
    
others are correct.
                    Answered by
            Ms Pi 3.14159265358979323
            
    What are your answers?
    
                    Answered by
            Ms Pi 3.14159265358979323
            
    oooppsss! Sorry! I see your answers now : )
    
                    Answered by
            Elisha
            
    oh sorry my answers for number 5 is C
    
                    Answered by
            DrBob222
            
    I agree that As is the choice to compare with P. 
    
                    Answered by
            Elisha
            
    Thank you 
    
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.