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WEEK 2-INTRO INTO CHEMISTRY QUESTIONS WITH ACCURATE ANSWERS
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WEEK 2-INTRO INTO CHEMISTRY QUESTIONS WITH ACCURATE ANSWERS
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WEEK 2-INTRO INTO CHEMISTRY QUESTIONS WITHACCURATE ANSWERS
Which of the following statements about neutrons are true? Check all that
apply.
Neutrons _______. Accurate Answer - 1.can vary in number to make
different isotopes of the same element
2.are located in the nucleus of the atom
How many protons are in the nucleus of an antimony atom? Accurate
Answer - 51
Select the best description for the following element:
mercury Accurate Answer - Nonmetal
Determine the number of protons or neutrons in the following isotope:
Ar-38
number of protons is _____ ; number of neutrons is 20. Accurate Answer
- 18
Which of the following neutral atoms has the largest first ionization energy?
-Cs
-Cl
-Ga
-S
-I Accurate Answer - Cl
A support rod is said to be solid titanium. You conduct some experiments at
room temperature and discover that it displaces 87.82 mL of water and has a
mass of 395.2 g. Can this really be made of pure titanium? Accurate
Answer - yes
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