Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons and will gain 3 electrons to become stable.

Zinc (Zn) is a transition metal. Metals lose all their valence electrons to become stable and form + ions.

Phosphorus (P) is a non metal. Non metals gain as many electron needed to make them stable by having 8 valence electrons.

If phosphorus has 5 valence electrons, how many more electrons does it need to become stable?

Then the formula for the phosphide ion is ...

Using criss cross method, we give the number of charges of phosphide ion to Zinc in the compound ( without its negative sign).

What number did Zn give to P using the criss cross method according to the formula of Zn3P2,?

Now choose the correct statement to answer this question:

How many valence electrons does each zinc atom lose?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied