. Determine the location of missing Element X by reading the element facts below. Once you have
determined its placement, write it in the partial periodic table (below) in the correct location.
Atoms of Element X have 2 more valence
electrons than atoms of Element D.
Atoms of Element D are more reactive
than atoms of Element X.
Both elements are metals.
D
Element D has the same number of
energy levels (shells) as Element X.
Pls help me

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.