The table compares some characteristics of two atoms. Charged Particles
Atom Number of Neutrons Mass Number
X 10 19
Y 8 16

Use the table to determine the number of protons for each atom. Then, choose the statement below that is true about the two atoms.

1. Atoms X and Atom Y are in the same family.
2. Atom X is in a column to the right of Atom Y on the periodic table.
3. Atom X and Atom Y are in the same row on the periodic table.
4. Atoms X and Atom Y are isotopes.

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.