Periodic table trends multiple choice:
1. What is the effective nuclear charge that a valence electron in a phosphorus atom experiences?
a) 15+ , b) 13+, c) 5+, d) 2+
2. Which of the following is false?
a) The nuclear charge is equivalent to the number of electrons , b) Electrons in an atom repel each other , c) Electrons in an atom are attracted to the nucleus , d) Shielding electrons prevent outer electrons from feeling the full nuclear charge.
3. In which of the following pairs does the first atom have a greater
a) P and S , b) Na and Mg , c) N and P , d) Se and S
4. Which of the following is isoelectronic to the chloride ion, Cl-?
a) Ne atom , b) fluoride ion (F-) , c) sodium ion (Na+) , d) sulphide ion (S-2)
5. Consider the following elements: P, Na, N. Which of the following places these elements in order of increasing ionization energy (lowest to greatest)?
a) P, Na, N b) Na, P, N c) Na, N, P d) N, Na, P
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
