Which pair of elements would have the same number of valence electrons, in their neutral atoms?

a. lithium and beryllium
b. silicon and chlorine
c. germanium and lead
d. bromine and krypton

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

Which type of fossil does this image depict?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?