Question 16 (1 point) (01.07 MO
Cecilia wants to measure the thickness of a piece of cardboard. She stacked 10 identical cardboard pieces and used a ruler to measure the
thickness of the stack as shown in the figure.
1
2.
3
cm
Which of these is the most accurate thickness of a single piece of cardboard? (1 point)
Oa
0.25 cm
Ob
0.5 cm
2.5 cm
Od
5 cm

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is the molar mass of a gas that has density of 2.054 g/l

27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.